APA (7e ed.) Bronvermelding

Howard, S., & Lohmander, A. (2011). Cleft palate speech: Assessment and intervention. Wiley-Blackwell.

Chicago (17e ed.) Bronvermelding

Howard, Sara, en Anette Lohmander. Cleft Palate Speech: Assessment and Intervention. Chichester, West Sussex, UK ; Hoboken, NJ: Wiley-Blackwell, 2011.

MLA (9e ed.) Bronvermelding

Howard, Sara, en Anette Lohmander. Cleft Palate Speech: Assessment and Intervention. Wiley-Blackwell, 2011.