APA (7e ed.) Bronvermelding

Não informado. (1959). Dental school newsletter. University of Puerto Rico, School of Dentistry.

Chicago (17e ed.) Bronvermelding

Não informado. Dental School Newsletter. San Juan: University of Puerto Rico, School of Dentistry, 1959.

MLA (8e ed.) Bronvermelding

Não informado. Dental School Newsletter. University of Puerto Rico, School of Dentistry, 1959.

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