APA-referens (7:e uppl.)

Não informado. (1965). Journal of the Nigerian Institute for Oil Palm Research. Nigerian Institute for Oil Palm Research.

Chicago-referens (17:e uppl.)

Não informado. Journal of the Nigerian Institute for Oil Palm Research. Benin City, Nigeria: Nigerian Institute for Oil Palm Research, 1965.

MLA-referens (8:e uppl.)

Não informado. Journal of the Nigerian Institute for Oil Palm Research. Nigerian Institute for Oil Palm Research, 1965.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.