APA-referens (7:e uppl.)

Gabuyo, Y. A. (2011). College algebra with applications. Rex Book Store.

Chicago-referens (17:e uppl.)

Gabuyo, Yonardo A. College Algebra with Applications. Manila: Rex Book Store, 2011.

MLA-referens (9:e uppl.)

Gabuyo, Yonardo A. College Algebra with Applications. Rex Book Store, 2011.