Edgar Thorpe & Showick Thorpe. (2015). The Pearson general studies for the civil services preliminrary examination paper2 2015. Pearson Education.
استشهاد بنمط شيكاغوEdgar Thorpe و Showick Thorpe. The Pearson General Studies for the Civil Services Preliminrary Examination Paper2 2015. Delhi: Pearson Education, 2015.
MLA استشهادEdgar Thorpe و Showick Thorpe. The Pearson General Studies for the Civil Services Preliminrary Examination Paper2 2015. Pearson Education, 2015.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.