SOIL EROSION AND ITS CONTROL & MORGAN, R. [. (1986). Soil erosion and its control/editor R.P.C. Morgan. Van Nostrand Reinhold Company.
Chicago-viite (17. p.)SOIL EROSION AND ITS CONTROL ja R.P.C. [ed] MORGAN. Soil Erosion and Its Control/editor R.P.C. Morgan. New York: Van Nostrand Reinhold Company, 1986.
MLA-viite (9. p.)SOIL EROSION AND ITS CONTROL ja R.P.C. [ed] MORGAN. Soil Erosion and Its Control/editor R.P.C. Morgan. Van Nostrand Reinhold Company, 1986.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.