Παραπομπή APA

Schwab, G. O. (1996). Soil and water management systems (4th ed.). New York: John Wiley and Sons.

Παραπομπή Chicago Style

Schwab, Glenn Orville. Soil and Water Management Systems. 4th ed. New York: John Wiley and Sons, 1996.

Παραπομπή MLA

Schwab, Glenn Orville. Soil and Water Management Systems. 4th ed. New York: John Wiley and Sons, 1996.

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