APA ציטוט

Morgan, R. P. C. (1998). Soil erosion and conservation. (2nd ed.). Longman.

Chicago Style (17th ed.) Citation

Morgan, R.P.C(Royston Philip Charles). Soil Erosion and Conservation. 2nd ed. Essex: Longman, 1998.

ציטוט MLA

Morgan, R.P.C(Royston Philip Charles). Soil Erosion and Conservation. 2nd ed. Longman, 1998.