APA (7e ed.) Bronvermelding

Avila, D. M., Cruz, M. B. L., Jugo, R. R., Trajano, M. G., & Ibay, A. W. M. (2014). English proficiency for college freshman (2014 edition.). Mutya Publishing House, Inc.

Chicago (17e ed.) Bronvermelding

Avila, Dorcas M., Ma. Beatriz L. Cruz, Rhodora R. Jugo, Mercedes G. Trajano, en Amalia Warlita M. Ibay. English Proficiency for College Freshman. 2014 edition. Malabon City: Mutya Publishing House, Inc, 2014.

MLA (9e ed.) Bronvermelding

Avila, Dorcas M., et al. English Proficiency for College Freshman. 2014 edition. Mutya Publishing House, Inc, 2014.