Leopold, A. C., & Kriedemann, P. E. (1975). Plant growth and development: A physical and physiological approach (2nd ed.). Tata McGraw-Hill Publishing Company.
Cita Chicago (17th ed.)Leopold, A. Carl, i Paul E. Kriedemann. Plant Growth and Development: A Physical and Physiological Approach. 2nd ed. New Delhi: Tata McGraw-Hill Publishing Company, 1975.
Cita MLA (9th ed.)Leopold, A. Carl, i Paul E. Kriedemann. Plant Growth and Development: A Physical and Physiological Approach. 2nd ed. Tata McGraw-Hill Publishing Company, 1975.
Atenció: Aquestes cites poden no estar 100% correctes.