Keng, H., & Keng, R. L. (1969). Orders and families of Malayan seed plants: Synopsis of orders and families of Malayan gymnosperms, dicotyledons, and monocotyledons. Singapore University Press.
Chicago Style (17th ed.) CitationKeng, Hsuan, and Ro-Siu Ling Keng. Orders and Families of Malayan Seed Plants: Synopsis of Orders and Families of Malayan Gymnosperms, Dicotyledons, and Monocotyledons. Singapore: Singapore University Press, 1969.
MLA (9th ed.) CitationKeng, Hsuan, and Ro-Siu Ling Keng. Orders and Families of Malayan Seed Plants: Synopsis of Orders and Families of Malayan Gymnosperms, Dicotyledons, and Monocotyledons. Singapore University Press, 1969.
Warning: These citations may not always be 100% accurate.