Takhtajan, A. (1991). Evolutionary trends in flowering plants. Columbia University Press.
Lua i Stíl Chicago (17ú heag.)Takhtajan, Armen. Evolutionary Trends in Flowering Plants. New York: Columbia University Press, 1991.
Lua MLA (9ú heag.)Takhtajan, Armen. Evolutionary Trends in Flowering Plants. Columbia University Press, 1991.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.