Kramer, P. J., & Kozlowski, T. T. (1979). Physiology of woody plants. Academic Press.
Chicago Style (17th ed.) ZitazioaKramer, Paul J., eta Theodore T. Kozlowski. Physiology of Woody Plants. New York: Academic Press, 1979.
MLA (9th ed.) ZitazioaKramer, Paul J., eta Theodore T. Kozlowski. Physiology of Woody Plants. Academic Press, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.