Style de citation APA

Shivanand Nautiyal. (2012). Paryavaran: Samasya aur samadhan. Samayik Prakashan.

Style de citation Chicago

Shivanand Nautiyal. Paryavaran: Samasya Aur Samadhan. New Delhi: Samayik Prakashan, 2012.

Style de citation MLA

Shivanand Nautiyal. Paryavaran: Samasya Aur Samadhan. Samayik Prakashan, 2012.

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