Hopkins, W. G., & Hüner, N. P. A. (1999). Introduction to plant physiology: Principles and applications (2nd ed.). John Wiley & Sons.
Citazione stile Chigago Style (17a edizione)Hopkins, William G., e Norman P. A. Hüner. Introduction to Plant Physiology: Principles and Applications. 2nd ed. New York: John Wiley & Sons, 1999.
Citatione MLA (9a ed.)Hopkins, William G., e Norman P. A. Hüner. Introduction to Plant Physiology: Principles and Applications. 2nd ed. John Wiley & Sons, 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.