Citazione APA

Singh, S., & Dubey, A. (2002). Gully erosion and management: Methods and applications (a field manual). New Academic.

Stile di citazione Chicago

Singh, Savindra, e Alok Dubey. Gully Erosion and Management: Methods and Applications (a Field Manual). New Delhi: New Academic, 2002.

Citazione MLA

Singh, Savindra, e Alok Dubey. Gully Erosion and Management: Methods and Applications (a Field Manual). New Academic, 2002.