Papua New Guinea. Coffee Research Institute. (1986). How to collect soil and leaf samples from coffee in Papua New Guinea, and how to interpret the analytical results. Coffee Research Institute.
Chicago Style (17th ed.) CitationPapua New Guinea. Coffee Research Institute. How to Collect Soil and Leaf Samples from Coffee in Papua New Guinea, and How to Interpret the Analytical Results. Kainantu, Eastern Highland: Coffee Research Institute, 1986.
MLA (9th ed.) CitationPapua New Guinea. Coffee Research Institute. How to Collect Soil and Leaf Samples from Coffee in Papua New Guinea, and How to Interpret the Analytical Results. Coffee Research Institute, 1986.
Warning: These citations may not always be 100% accurate.