THORPE, E. (2006). GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. PEARSON EDUCATION.
Lua i Stíl Chicago (17ú heag.)THORPE, E. GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. NEW DELHI: PEARSON EDUCATION, 2006.
Lua MLA (9ú heag.)THORPE, E. GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. PEARSON EDUCATION, 2006.
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