APA-viite (7. p.)

de Gracia, A. G. Q. (2009). Competence in college English (First edition.). Rex Book Store.

Chicago-viite (17. p.)

de Gracia, Alta Grace Q. Competence in College English. First edition. Manila: Rex Book Store, 2009.

MLA-viite (9. p.)

de Gracia, Alta Grace Q. Competence in College English. First edition. Rex Book Store, 2009.