Sonoling, V. (1988). Agroforestry farming systems in Bulolo valley, Morobe Province, Papua New Guinea. Environment and Policy Institute, East-West Centre.
Chicago Style (17th ed.) CitationSonoling, Vida. Agroforestry Farming Systems in Bulolo Valley, Morobe Province, Papua New Guinea. Honolulu: Environment and Policy Institute, East-West Centre, 1988.
MLA (9th ed.) CitationSonoling, Vida. Agroforestry Farming Systems in Bulolo Valley, Morobe Province, Papua New Guinea. Environment and Policy Institute, East-West Centre, 1988.
Warning: These citations may not always be 100% accurate.