Style de citation APA

Sudha Singh. (2011). Paryavaran Shiksha. Lok bharati prakashan.

Style de citation Chicago

Sudha Singh. Paryavaran Shiksha. Allahabad: Lok bharati prakashan, 2011.

Style de citation MLA

Sudha Singh. Paryavaran Shiksha. Lok bharati prakashan, 2011.

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