Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.