APA (7th ed.) Citation

Koch, C., Luzares, C., Rotor, N., & Carreon, E. (1981). Communication skills for university students: (chapters II, III, IV). Integrated Research Center, De La Salle University.

Chicago Style (17th ed.) Citation

Koch, Carl, Casilda Luzares, Nilda Rotor, and Edwina Carreon. Communication Skills for University Students: (chapters II, III, IV). Manila: Integrated Research Center, De La Salle University, 1981.

MLA (9th ed.) Citation

Koch, Carl, et al. Communication Skills for University Students: (chapters II, III, IV). Integrated Research Center, De La Salle University, 1981.