Schwab, G. O. (1996). Soil and water management systems (4th ed.). New York: John Wiley and Sons.
Chicago Style CitationSchwab, Glenn Orville. Soil and Water Management Systems. 4th ed. New York: John Wiley and Sons, 1996.
Cita MLASchwab, Glenn Orville. Soil and Water Management Systems. 4th ed. New York: John Wiley and Sons, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.