Berg, R. G. v. d. (1985). Pollen morphology of the genus begonia in Africa. Agricultural University Wageningen.
Chicago Style (17th ed.) CitationBerg, Ronald George van den. Pollen Morphology of the Genus Begonia in Africa. Wageningen: Agricultural University Wageningen, 1985.
MLA (8th ed.) CitationBerg, Ronald George van den. Pollen Morphology of the Genus Begonia in Africa. Agricultural University Wageningen, 1985.
Warning: These citations may not always be 100% accurate.