एपीए उद्धरण

Varma, C., R, . . .., Venkatachalam, K. . .., & Venkatappa Rao, G. . .. (1981). Bibliography: Indian contribution to geosynthetics. Central Board of Irrigation and Power (CBIP).

शिकागो स्टाइल उद्धरण

Varma, C.V.J, R,, K. Venkatachalam, और G. Venkatappa Rao. Bibliography: Indian Contribution to Geosynthetics. New Delhi: Central Board of Irrigation and Power (CBIP), 1981.

एमएलए उद्धरण

Varma, C.V.J, et al. Bibliography: Indian Contribution to Geosynthetics. Central Board of Irrigation and Power (CBIP), 1981.