एपीए उद्धरण

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

शिकागो स्टाइल उद्धरण

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

एमएलए उद्धरण

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