APA aipamena

Sachdeva, s. (2010). General knowledge yearbook 2010. Competition Review pvt. Ltd.

Chicago Style aipamena

Sachdeva, surendrakumar. General Knowledge Yearbook 2010. Delhi: Competition Review pvt. Ltd, 2010.

MLA aipamena

Sachdeva, surendrakumar. General Knowledge Yearbook 2010. Competition Review pvt. Ltd, 2010.