Diyala Journal for Pure Science | College of Science, University of Diyala. Cambridge University Press.
Chicago-referens (17:e uppl.)Diyala Journal for Pure Science | College of Science, University of Diyala. Cambridge University Press.
MLA-referens (8:e uppl.)Diyala Journal for Pure Science | College of Science, University of Diyala. Cambridge University Press.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.