APA (7e ed.) Bronvermelding

Não informado. (2000). University of California publications in public health. University of California.

Chicago (17e ed.) Bronvermelding

Não informado. University of California Publications in Public Health. Berkeley, Calif: University of California, 2000.

MLA (8e ed.) Bronvermelding

Não informado. University of California Publications in Public Health. University of California, 2000.

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