APA (7e ed.) Bronvermelding

Não informado. (1987). Development. Company of Biologists.

Chicago (17e ed.) Bronvermelding

Não informado. Development. Cambridge, Inglaterra: Company of Biologists, 1987.

MLA (8e ed.) Bronvermelding

Não informado. Development. Company of Biologists, 1987.

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