Santos, M. Q., Yap, H. J., Kapili, L. V., Tupas, F., & De los Santos, E. P. (1968). College freshman English workbook (Experimental edition.). University of the Philippines Press.
Chicago Style (17th ed.) CitationSantos, Maria Q., Herminia J. Yap, Lily V. Kapili, Filonila Tupas, and Ester P. De los Santos. College Freshman English Workbook. Experimental edition. Quezon City: University of the Philippines Press, 1968.
MLA (9th ed.) CitationSantos, Maria Q., et al. College Freshman English Workbook. Experimental edition. University of the Philippines Press, 1968.
Warning: These citations may not always be 100% accurate.