Copeland, L. O., & McDonald, M. B. (2001). Principles of seed science and technology (Fourth edition.). Kluwer Academic Publishers.
Chicago Style aipamenaCopeland, L. O., and M. B. McDonald. Principles of Seed Science and Technology. Fourth edition. Boston: Kluwer Academic Publishers, 2001.
MLA aipamenaCopeland, L. O., and M. B. McDonald. Principles of Seed Science and Technology. Fourth edition. Kluwer Academic Publishers, 2001.
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