Não informado. (1975). Bulletin of the Natural History Research Center. University of Baghdad.
Chicago-viite (17. p.)Não informado. Bulletin of the Natural History Research Center. Baghdad: University of Baghdad, 1975.
MLA-viite (8. p.)Não informado. Bulletin of the Natural History Research Center. University of Baghdad, 1975.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.