Παραπομπή σε μορφή APA (7η εκδ.)

Não informado. Oil Palm News. Tropical Products Institute, Oil Palm Advisory Bureau.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Não informado. Oil Palm News. London: Tropical Products Institute, Oil Palm Advisory Bureau.

Παραπομπή σε μορφή MLA (8th εκδ.)

Não informado. Oil Palm News. Tropical Products Institute, Oil Palm Advisory Bureau.

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