APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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