Arroyo, S. R. (1987). English for college freshmen. Rex Book Store.
Chicago Style (17th ed.) CitationArroyo, Sandra Rodriguez. English for College Freshmen. Manila: Rex Book Store, 1987.
MLA引文Arroyo, Sandra Rodriguez. English for College Freshmen. Rex Book Store, 1987.
警告:這些引文格式不一定是100%准確.