Style de citation APA

Gurmel Singh, Joshy, B. P., & Venkata Ramanan. (1990). Manual of soil and water conservation practices (lost).

Style de citation Chicago

Gurmel Singh, B P. Joshy, et Venkata Ramanan. Manual of Soil and Water Conservation Practices (lost). NewDelhi, Oxford, 1990.

Style de citation MLA

Gurmel Singh, et al. Manual of Soil and Water Conservation Practices (lost). 1990.

Attention : ces citations peuvent ne pas être correctes à 100%.