Sachdeva, s. (2010). General knowledge yearbook 2010. Competition Review pvt. Ltd.
Chicagoスタイル(17版)引用形式Sachdeva, surendrakumar. General Knowledge Yearbook 2010. Delhi: Competition Review pvt. Ltd, 2010.
MLA(9版)引用形式Sachdeva, surendrakumar. General Knowledge Yearbook 2010. Competition Review pvt. Ltd, 2010.
警告: この引用は必ずしも正確ではありません.