Devlin, R. M., & Witham, F. H. (1983). Plant Physiology (4th ed.). PWS Publishers.
Cita Chicago (17th ed.)Devlin, Robert M., i Francis H. Witham. Plant Physiology. 4th ed. Boston, Mass.: PWS Publishers, 1983.
Cita MLA (9th ed.)Devlin, Robert M., i Francis H. Witham. Plant Physiology. 4th ed. PWS Publishers, 1983.
Atenció: Aquestes cites poden no estar 100% correctes.