GUIDELINES IN CITING AUTHOR(S) OF THE RELATED LITERATURE In citing the source of related literature and studies in the body of the research paper (or in-text citation), the following ways may be considered with corresponding examples. 1. By author or writer. In this method, facts ideas, or principles are discussed or explained separately. The respective authors or writers are then cited in the footnote. Burns et al. (2008) expounded that learning styles are the preferred habitual patterns of mental functioning. Romanelli et al. (2009) described learning styles as the cognitive, affective, and psychological behavior that serve as relatively stable indicators of how learners perceive, interact, and respond to the learning environment. 2. By topic. In this case, if many authors have the same opinion or idea about the same topic, discussion and citation of the topic is under the names of the authors or writers. The use of animated movies, computer animation, and simple drawings are constructive for stimulating and maintaining learner’s attention (Williamson and Abraham, 1995; Ames and Ames, 1995; Barak, 2006) 3. Chronological. Related materials or references may be cited in a chronological manner, that is, according to the year they were written or published. Adri (2004) described the relationship between the student’s learning styles and their academic performance. Baldomero (2006) assessed the learning styles of students in bridge programs in a public high school and their implications on academic achievement. Romana (2010) determined the learning styles and multiple intelligences of pupils in a preparatory school.