Cita APA (7a ed.)

Arroyo, S. R. (1987). English for college freshmen. Rex Book Store.

Cita Chicago Style (17a ed.)

Arroyo, Sandra Rodriguez. English for College Freshmen. Manila: Rex Book Store, 1987.

Cita MLA (9a ed.)

Arroyo, Sandra Rodriguez. English for College Freshmen. Rex Book Store, 1987.