APA引文

Sudha Singh. (2011). Paryavaran shiksha. Lokbharati.

Chicago Edition Citation

Sudha Singh. Paryavaran Shiksha. Alahabad: Lokbharati, 2011.

MLA引文

Sudha Singh. Paryavaran Shiksha. Lokbharati, 2011.

警告：這些引文格式不一定是100％准確.