Cita APA (7th ed.)

Singh, G., & Venkataramanan, C. (1990). Manual of soil and water conservation practices. Oxford.

Cita Chicago (17th ed.)

Singh, Gurmel, i C. Venkataramanan. Manual of Soil and Water Conservation Practices. New Delhi: Oxford, 1990.

Cita MLA (9th ed.)

Singh, Gurmel, i C. Venkataramanan. Manual of Soil and Water Conservation Practices. Oxford, 1990.