APA-referens

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

Chicago-stil citat

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

MLA-referens

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

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.