APA (7e ed.) Bronvermelding

Não informado. (1976). Egyptian Journal of Agronomy. National Information and Documentation Centre.

Chicago (17e ed.) Bronvermelding

Não informado. Egyptian Journal of Agronomy. Cairo: National Information and Documentation Centre, 1976.

MLA (8e ed.) Bronvermelding

Não informado. Egyptian Journal of Agronomy. National Information and Documentation Centre, 1976.

Let op: Deze citaties zijn niet altijd 100% accuraat.