APA (7e ed.) Bronvermelding

Copeland, L. O., & McDonald, M. B. (2001). Principles of seed science and technology (Fourth edition.). Kluwer Academic Publishers.

Chicago (17e ed.) Bronvermelding

Copeland, L. O., en M. B. McDonald. Principles of Seed Science and Technology. Fourth edition. Boston: Kluwer Academic Publishers, 2001.

MLA (8e ed.) Bronvermelding

Copeland, L. O., en M. B. McDonald. Principles of Seed Science and Technology. Fourth edition. Kluwer Academic Publishers, 2001.