Não informado. (1965). Journal of the Nigerian Institute for Oil Palm Research. Nigerian Institute for Oil Palm Research.
Chicago Style (17. basım) AtıfNão informado. Journal of the Nigerian Institute for Oil Palm Research. Benin City, Nigeria: Nigerian Institute for Oil Palm Research, 1965.
MLA (8th ed.) AtıfNão informado. Journal of the Nigerian Institute for Oil Palm Research. Nigerian Institute for Oil Palm Research, 1965.
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