Radford, A. E., & Dickison, W. C. (1974). Vascular plant systematics. Harper & Row.
Cita Chicago Style (17a ed.)Radford, Albert E., y William C. Dickison. Vascular Plant Systematics. New York: Harper & Row, 1974.
Cita MLA (9a ed.)Radford, Albert E., y William C. Dickison. Vascular Plant Systematics. Harper & Row, 1974.
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