Salisbury, F. B., & Ross, C. W. (1992). Plant physiology (4th ed.). Wadsworth Publishing Company.
Cita Chicago (17th ed.)Salisbury, Frank B., i Cleon W. Ross. Plant Physiology. 4th ed. Belmont, Calif.: Wadsworth Publishing Company, 1992.
Cita MLA (9th ed.)Salisbury, Frank B., i Cleon W. Ross. Plant Physiology. 4th ed. Wadsworth Publishing Company, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.