APA (7e ed.) Bronvermelding

Singh Surender & Parmar Virinder. (2024). General Studies for Civil Services Preliminary Examination: Also useful for State Public Service Commission Examinations Paper-I. Mc Graw Hill.

Chicago (17e ed.) Bronvermelding

Singh Surender en Parmar Virinder. General Studies for Civil Services Preliminary Examination: Also Useful for State Public Service Commission Examinations Paper-I. Chennai: Mc Graw Hill, 2024.

MLA (9e ed.) Bronvermelding

Singh Surender en Parmar Virinder. General Studies for Civil Services Preliminary Examination: Also Useful for State Public Service Commission Examinations Paper-I. Mc Graw Hill, 2024.