THORPE, E. (2006). GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. PEARSON EDUCATION.
Chicago (17e ed.) BronvermeldingTHORPE, E. GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. NEW DELHI: PEARSON EDUCATION, 2006.
MLA (9e ed.) BronvermeldingTHORPE, E. GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. PEARSON EDUCATION, 2006.
Let op: Deze citaties zijn niet altijd 100% accuraat.