Takhtajan, A. (1991). Evolutionary trends in flowering plants. Columbia University Press.
Cita Chicago (17th ed.)Takhtajan, Armen. Evolutionary Trends in Flowering Plants. New York: Columbia University Press, 1991.
Cita MLA (9th ed.)Takhtajan, Armen. Evolutionary Trends in Flowering Plants. Columbia University Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.