APA (7e ed.) Bronvermelding

Não informado. (1933). Northwest Dentistry. Minnesota State Dental Association.

Chicago (17e ed.) Bronvermelding

Não informado. Northwest Dentistry. Saint Paul, Minn: Minnesota State Dental Association, 1933.

MLA (8e ed.) Bronvermelding

Não informado. Northwest Dentistry. Minnesota State Dental Association, 1933.

Let op: Deze citaties zijn niet altijd 100% accuraat.