THORPE, E. (2006). GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. PEARSON EDUCATION.
Cita Chicago (17th ed.)THORPE, E. GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. NEW DELHI: PEARSON EDUCATION, 2006.
Cita MLA (9th ed.)THORPE, E. GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. PEARSON EDUCATION, 2006.
Atenció: Aquestes cites poden no estar 100% correctes.