Não informado. (1953). Journal of the West African Institute for Oil Palm Research. West African Institute for Oil Palm Research.
Chicago-referens (17:e uppl.)Não informado. Journal of the West African Institute for Oil Palm Research. Benin City, Nigeria: West African Institute for Oil Palm Research, 1953.
MLA-referens (8:e uppl.)Não informado. Journal of the West African Institute for Oil Palm Research. West African Institute for Oil Palm Research, 1953.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.