Heywood, V. H. 1. (1973). Taxonomy and ecology: Proceedings of an international symposium held at the department of botany, university of reading. London: Academic Press.
Παραπομπή Chicago StyleHeywood, V. H. 1927-. Taxonomy and Ecology: Proceedings of an International Symposium Held At the Department of Botany, University of Reading. London: Academic Press, 1973.
Παραπομπή MLAHeywood, V. H. 1927-. Taxonomy and Ecology: Proceedings of an International Symposium Held At the Department of Botany, University of Reading. London: Academic Press, 1973.
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