Borja, C. G. A., & De Luna, T. P. S. (2009). Haha!: A content analysis of the verbal and nonverbal messages used by UP students to elicit humor in social conversations. College of Arts and Letters, University of the Philippines Diliman.
Cita Chicago (17th ed.)Borja, Ciara Gae A., i Teresa Paula S. De Luna. Haha!: A Content Analysis of the Verbal and Nonverbal Messages Used by UP Students to Elicit Humor in Social Conversations. Quezon City: College of Arts and Letters, University of the Philippines Diliman, 2009.
Cita MLA (9th ed.)Borja, Ciara Gae A., i Teresa Paula S. De Luna. Haha!: A Content Analysis of the Verbal and Nonverbal Messages Used by UP Students to Elicit Humor in Social Conversations. College of Arts and Letters, University of the Philippines Diliman, 2009.