APA (7e ed.) Bronvermelding

Villamarzo, P. C., Cruz, E. E., & Relis, J. G. (2003). Functional oral communication (Rev. ed.). University of Santo Tomas Pub. House.

Chicago (17e ed.) Bronvermelding

Villamarzo, Perla C., Estrella E. Cruz, en Josephine G. Relis. Functional Oral Communication. Rev. ed. Manila: University of Santo Tomas Pub. House, 2003.

MLA (9e ed.) Bronvermelding

Villamarzo, Perla C., et al. Functional Oral Communication. Rev. ed. University of Santo Tomas Pub. House, 2003.