KRAMER, P. J., & KOZLOWSKI, T. T. (1960). Physiology of trees. Mcgraw-hill.
Chicago Style aipamenaKRAMER, Paul J., and Theodore T. KOZLOWSKI. Physiology of Trees. New York: Mcgraw-hill, 1960.
MLA aipamenaKRAMER, Paul J., and Theodore T. KOZLOWSKI. Physiology of Trees. Mcgraw-hill, 1960.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.