Hopkins, W. G., & Hüner, N. P. A. (2009). Introduction to plant physiology (4th ed.). John Wiley & Sons.
Cita Chicago (17th ed.)Hopkins, William G., i Norman P. A. Hüner. Introduction to Plant Physiology. 4th ed. Hoboken, N.J.: John Wiley & Sons, 2009.
Cita MLA (9th ed.)Hopkins, William G., i Norman P. A. Hüner. Introduction to Plant Physiology. 4th ed. John Wiley & Sons, 2009.
Atenció: Aquestes cites poden no estar 100% correctes.