Gaya APA

Copeland, Lawrence O. (2001). Principles of Seed science and technology (4th.ed). United States of America: Kluwer Academic Publishers.

Gaya Chicago

Copeland, Lawrence O. Principles of Seed science and technology. 4th.ed United States of America: Kluwer Academic Publishers, 2001. Teks.

Gaya MLA

Copeland, Lawrence O. Principles of Seed science and technology. 4th.ed United States of America: Kluwer Academic Publishers, 2001. Teks.

Gaya Turabian

Copeland, Lawrence O. Principles of Seed science and technology. 4th.ed United States of America: Kluwer Academic Publishers, 2001. Teks.