THORPE, E. (2006). GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. PEARSON EDUCATION.
芝加哥风格引文THORPE, E. GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. NEW DELHI: PEARSON EDUCATION, 2006.
MLA引文THORPE, E. GENERAL STUDIES MANUAL 2010: FOR THE UPSC CIVIL SERVICES PRELIMINARY EXAMINATION. PEARSON EDUCATION, 2006.
警告:这些引文格式不一定是100%准确.