KRAMER, P. J. Plant and soil water relationships. McGraw-Hill Book.
Chicago Style aipamenaKRAMER, PAUL J. Plant and Soil Water Relationships. McGraw-Hill Book.
MLA aipamenaKRAMER, PAUL J. Plant and Soil Water Relationships. McGraw-Hill Book.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.