APA (7e ed.) Bronvermelding

Kummer, A. W. (2014). Cleft palate and craniofacial anomalies: Effects on speech and resonance (Third edition.). Delmar, Cengage Learning.

Chicago (17e ed.) Bronvermelding

Kummer, Ann W. Cleft Palate and Craniofacial Anomalies: Effects on Speech and Resonance. Third edition. Clifton Park, NY: Delmar, Cengage Learning, 2014.

MLA (9e ed.) Bronvermelding

Kummer, Ann W. Cleft Palate and Craniofacial Anomalies: Effects on Speech and Resonance. Third edition. Delmar, Cengage Learning, 2014.