Citazione Stile APA (7a Edizione)

Villanueva, P. M., Acurantes, D. C., & Aranzaso, R. C. (2003). Writing skills for college (2nd ed.). Katha Pub.

Citazione stile Chigago Style (17a edizione)

Villanueva, Perla M., Dolores C. Acurantes, e Roberta C. Aranzaso. Writing Skills for College. 2nd ed. Quezon City: Katha Pub, 2003.

Citatione MLA (9a ed.)

Villanueva, Perla M., et al. Writing Skills for College. 2nd ed. Katha Pub, 2003.