APA Citatie

Ashok Singh. (2019). UPSC Civil services prelims: General studies-1. wiley.

Chicago Style citaat

Ashok Singh. UPSC Civil Services Prelims: General Studies-1. New Delhi: wiley, 2019.

MLA citatie

Ashok Singh. UPSC Civil Services Prelims: General Studies-1. wiley, 2019.

Let op: Deze citaties zijn niet altijd 100% accuraat.