MORGAN, R. (1979). Soil erosion: Topics in applied geography. Longman.
Citación estilo ChicagoMORGAN, R.P.C. Soil Erosion: Topics in Applied Geography. London: Longman, 1979.
Cita MLAMORGAN, R.P.C. Soil Erosion: Topics in Applied Geography. Longman, 1979.
Warning: These citations may not always be 100% accurate.