APA引文

Khullar, D. (2018). Indian and world geography for civil services preliminary examination. CL Media.

Chicago Style (17th ed.) Citation

Khullar, D.R. Indian and World Geography for Civil Services Preliminary Examination. Roorkee: CL Media, 2018.

MLA引文

Khullar, D.R. Indian and World Geography for Civil Services Preliminary Examination. CL Media, 2018.