APA (7e ed.) Bronvermelding

Não informado. Northwestern Druggist. Iowa Pharmaceutical Association.

Chicago (17e ed.) Bronvermelding

Não informado. Northwestern Druggist. Minneapolis, Minn: Iowa Pharmaceutical Association.

MLA (8e ed.) Bronvermelding

Não informado. Northwestern Druggist. Iowa Pharmaceutical Association.

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