Lawrence, G. (1973). Taxonomy of vascular plants. Oxford I B H publishing company.
Chicago Edition CitationLawrence, G.H.M. Taxonomy of Vascular Plants. New Delhi: Oxford I B H publishing company, 1973.
MLA Edition CitationLawrence, G.H.M. Taxonomy of Vascular Plants. Oxford I B H publishing company, 1973.
Warning: These citations may not always be 100% accurate.