Heywood, V. H. (1968). Modern methods in plant taxonomy. Botanical Society of the British Isles and the Linnean Society of London by Academic Press.
Chicago-Zitierstil (17. Ausg.)Heywood, Vernon Hilton. Modern Methods in Plant Taxonomy. London: Botanical Society of the British Isles and the Linnean Society of London by Academic Press, 1968.
MLA-Zitierstil (9. Ausg.)Heywood, Vernon Hilton. Modern Methods in Plant Taxonomy. Botanical Society of the British Isles and the Linnean Society of London by Academic Press, 1968.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.