Não informado. (1976). Egyptian Journal of Agronomy. National Information and Documentation Centre.
Style de citation Chicago (17e éd.)Não informado. Egyptian Journal of Agronomy. Cairo: National Information and Documentation Centre, 1976.
Style de citation MLA (8e éd.)Não informado. Egyptian Journal of Agronomy. National Information and Documentation Centre, 1976.
Attention : ces citations peuvent ne pas être correctes à 100%.