Gaya APA

Congress, P, I, P, O. (1993). Conference 1: Agriculture (A14, A16, A19, A26, A28, A31) . Malaysia: PORIM.

Gaya MLA

Congress, PORIM, International, Palm, Oil. "Conference 1: Agriculture (A14, A16, A19, A26, A28, A31)". Malaysia: PORIM, 1993. Buku.