Style de citation APA

Gurmel Singh. (1990). mannual of soil and water conseervation Practices. Oxford and IBH publishing.

Style de citation Chicago

Gurmel Singh. Mannual of Soil and Water Conseervation Practices. New Delhi: Oxford and IBH publishing, 1990.

Style de citation MLA

Gurmel Singh. Mannual of Soil and Water Conseervation Practices. Oxford and IBH publishing, 1990.

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