PNG Cocoa & Coconut Research Institute, Cocoa Quality Improvement Project (Papua New Guinea), & PNG Cocoa and Coconut Research Institute. (1990). Ol tok save pepa long Tok Pisin (Kakao). PNG Cocoa & Coconut Research Institue.
Chicago Style (17th ed.) CitationPNG Cocoa & Coconut Research Institute, Cocoa Quality Improvement Project (Papua New Guinea), and PNG Cocoa and Coconut Research Institute. Ol Tok Save Pepa Long Tok Pisin (Kakao). Kerevat: PNG Cocoa & Coconut Research Institue, 1990.
MLA (9th ed.) CitationPNG Cocoa & Coconut Research Institute, et al. Ol Tok Save Pepa Long Tok Pisin (Kakao). PNG Cocoa & Coconut Research Institue, 1990.
Warning: These citations may not always be 100% accurate.