Não informado. (1957). Egyptian journal of geology. Geological Society of Egypt.
Style de citation Chicago (17e éd.)Não informado. Egyptian Journal of Geology. Cairo: Geological Society of Egypt, 1957.
Style de citation MLA (8e éd.)Não informado. Egyptian Journal of Geology. Geological Society of Egypt, 1957.
Attention : ces citations peuvent ne pas être correctes à 100%.