Papua New Guinea Forestry College, Johns, R. J., & Hay, A. J. M. (1981). A student's guide to the monocotyledons of Papua New Guinea: Part 1. Office of Forests.
Chicago Style (17th ed.) CitationPapua New Guinea Forestry College, R. J. Johns, and A. J. M. Hay. A Student's Guide to the Monocotyledons of Papua New Guinea: Part 1. [Bulolo]: Office of Forests, 1981.
MLA (9th ed.) CitationPapua New Guinea Forestry College, et al. A Student's Guide to the Monocotyledons of Papua New Guinea: Part 1. Office of Forests, 1981.
Warning: These citations may not always be 100% accurate.