APA (7e ed.) Bronvermelding

Não informado. (1975). Natural History Research Center Publication. University of Baghdad.

Chicago (17e ed.) Bronvermelding

Não informado. Natural History Research Center Publication. Baghdad: University of Baghdad, 1975.

MLA (8e ed.) Bronvermelding

Não informado. Natural History Research Center Publication. University of Baghdad, 1975.

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