Malaysia. Lembaga Pendaftaran dan Pelesenan Minyak Kelapa Sawit. (1981). Directory, oil palm industry. PORLA.
Chicago Style (17th ed.) CitationMalaysia. Lembaga Pendaftaran dan Pelesenan Minyak Kelapa Sawit. Directory, Oil Palm Industry. Kuala Lumpur: PORLA, 1981.
MLA (8th ed.) CitationMalaysia. Lembaga Pendaftaran dan Pelesenan Minyak Kelapa Sawit. Directory, Oil Palm Industry. PORLA, 1981.
Warning: These citations may not always be 100% accurate.