APA (7e ed.) Bronvermelding

Não informado. (1987). Nigerian Journal of Palms and Oil Seeds. Nigerian Institute for Oil Palm Research.

Chicago (17e ed.) Bronvermelding

Não informado. Nigerian Journal of Palms and Oil Seeds. Benin City, Nigeria: Nigerian Institute for Oil Palm Research, 1987.

MLA (8e ed.) Bronvermelding

Não informado. Nigerian Journal of Palms and Oil Seeds. Nigerian Institute for Oil Palm Research, 1987.

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