Cita APA (7a ed.)

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

Cita Chicago Style (17a ed.)

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

Cita MLA (9a ed.)

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