Não informado. (1975). Bulletin of the Natural History Research Center. University of Baghdad.
Style de citation Chicago (17e éd.)Não informado. Bulletin of the Natural History Research Center. Baghdad: University of Baghdad, 1975.
Style de citation MLA (8e éd.)Não informado. Bulletin of the Natural History Research Center. University of Baghdad, 1975.
Attention : ces citations peuvent ne pas être correctes à 100%.