Sachdeva, s. (2010). General knowledge yearbook 2010. Competition Review pvt. Ltd.
Citazione stile Chigago Style (17a edizione)Sachdeva, surendrakumar. General Knowledge Yearbook 2010. Delhi: Competition Review pvt. Ltd, 2010.
Citatione MLA (9a ed.)Sachdeva, surendrakumar. General Knowledge Yearbook 2010. Competition Review pvt. Ltd, 2010.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.