Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.