APA (7e ed.) Bronvermelding

Suarez, C. A., Perfecto, M. R. G., Canilao, M. L. E. N., & Paez, D. B. I. (2018). Purposive communication in English. BlueBooks.

Chicago (17e ed.) Bronvermelding

Suarez, Cecilia A., Marianne Rachel G. Perfecto, Maria Luz Elena N. Canilao, en Devi Benedicte I. Paez. Purposive Communication in English. Quezon City: BlueBooks, 2018.

MLA (9e ed.) Bronvermelding

Suarez, Cecilia A., et al. Purposive Communication in English. BlueBooks, 2018.