Competition Review. (2011). General Knowledge year book 2011. Competition Review Pvt. Ltd.
Chicagoスタイル(17版)引用形式Competition Review. General Knowledge Year Book 2011. New Delhi: Competition Review Pvt. Ltd, 2011.
MLA(9版)引用形式Competition Review. General Knowledge Year Book 2011. Competition Review Pvt. Ltd, 2011.
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