Edgar Thorpe & Showick Thorpe. (2013). Pearson CSAT Manual 2013(Civil Services Aptitude Test For the UPSC Civil Services Preliminary Examination). Delhi.
استشهاد بنمط شيكاغوEdgar Thorpe و Showick Thorpe. Pearson CSAT Manual 2013(Civil Services Aptitude Test For the UPSC Civil Services Preliminary Examination). Delhi, 2013.
MLA استشهادEdgar Thorpe و Showick Thorpe. Pearson CSAT Manual 2013(Civil Services Aptitude Test For the UPSC Civil Services Preliminary Examination). Delhi, 2013.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.