Floyd, C. N., Lefroy, R. D. B., & D'Souza, E. J. (1987). Composting and crop production on volcanic ash soils in the Southern Highlands of Papua New Guinea. Dept. of Primary Industry.
Chicago Style (17th ed.) CitationFloyd, C. N., R. D. B. Lefroy, and E. J. D'Souza. Composting and Crop Production on Volcanic Ash Soils in the Southern Highlands of Papua New Guinea. Konedobu: Dept. of Primary Industry, 1987.
MLA (9th ed.) CitationFloyd, C. N., et al. Composting and Crop Production on Volcanic Ash Soils in the Southern Highlands of Papua New Guinea. Dept. of Primary Industry, 1987.
Warning: These citations may not always be 100% accurate.