Collett, G. N. (1989). Smallholder coffee yields: Estimation from the Benabena, Eastern Highlands Province, Papua New Guinea. Australian National University.
Chicago Style (17th ed.) CitationCollett, George N. Smallholder Coffee Yields: Estimation from the Benabena, Eastern Highlands Province, Papua New Guinea. Canberra: Australian National University, 1989.
MLA (9th ed.) CitationCollett, George N. Smallholder Coffee Yields: Estimation from the Benabena, Eastern Highlands Province, Papua New Guinea. Australian National University, 1989.
Warning: These citations may not always be 100% accurate.