Keng, H. (1983). Orders and families of Malayan seed plants. University of Malaya Press.
Citazione stile Chigago Style (17a edizione)Keng, Hsuan. Orders and Families of Malayan Seed Plants. Kuala Lumpur: University of Malaya Press, 1983.
Citatione MLA (9a ed.)Keng, Hsuan. Orders and Families of Malayan Seed Plants. University of Malaya Press, 1983.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.