Singh, S., & Dubey, A. (2002). Gully erosion and management: Methods and applications (a field manual). New Academic.
Chicago-stil citatSingh, Savindra, och Alok Dubey. Gully Erosion and Management: Methods and Applications (a Field Manual). New Delhi: New Academic, 2002.
MLA-referensSingh, Savindra, och Alok Dubey. Gully Erosion and Management: Methods and Applications (a Field Manual). New Academic, 2002.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.