APA引文

MORGAN, R. (1979). Soil erosion: Topics in applied geography. Longman.

Chicago Style (17th ed.) Citation

MORGAN, R.P.C. Soil Erosion: Topics in Applied Geography. London: Longman, 1979.

MLA引文

MORGAN, R.P.C. Soil Erosion: Topics in Applied Geography. Longman, 1979.