Lawrence, G. (1967). 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, 1967.
MLA Edition CitationLawrence, G.H.M. Taxonomy of Vascular Plants. Oxford I B H publishing company, 1967.
Warning: These citations may not always be 100% accurate.