APA-referens

Mathur, S. (2001). DGP complete course physics for U.P.S.C civil services preliminary examination state civil services examinations other competitive & academic examinations (7th ed.). Dhillon Group.

Chicago-stil citat

Mathur, S.B. DGP Complete Course Physics for U.P.S.C Civil Services Preliminary Examination State Civil Services Examinations Other Competitive & Academic Examinations. 7th ed. New Delhi: Dhillon Group, 2001.

MLA-referens

Mathur, S.B. DGP Complete Course Physics for U.P.S.C Civil Services Preliminary Examination State Civil Services Examinations Other Competitive & Academic Examinations. 7th ed. Dhillon Group, 2001.