Hzn, D. B. (1972). Seedlings of some tropical trees and shrubs mainly of South East Asia. Centre for Agricultural Publishing and Documentation.
Chicago-viite (17. p.)Hzn, D. Burger. Seedlings of Some Tropical Trees and Shrubs Mainly of South East Asia. Wageningen: Centre for Agricultural Publishing and Documentation, 1972.
MLA-viite (9. p.)Hzn, D. Burger. Seedlings of Some Tropical Trees and Shrubs Mainly of South East Asia. Centre for Agricultural Publishing and Documentation, 1972.
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