Youngken, H. W. (2003). Natural Drugs ,morphologic and taxonomic consideration.
Chicago Edition CitationYoungken, Heber Wilkinson. Natural Drugs ,morphologic and Taxonomic Consideration. Delhi, Biotech Books, 2003.
MLA Edition CitationYoungken, Heber Wilkinson. Natural Drugs ,morphologic and Taxonomic Consideration. 2003.
Warning: These citations may not always be 100% accurate.