APA (7e ed.) Bronvermelding

Não informado. (2001). Wallerstein Laboratories communications. Wallerstein Laboratories.

Chicago (17e ed.) Bronvermelding

Não informado. Wallerstein Laboratories Communications. New York: Wallerstein Laboratories, 2001.

MLA (8e ed.) Bronvermelding

Não informado. Wallerstein Laboratories Communications. Wallerstein Laboratories, 2001.

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