Style de citation APA

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

Style de citation Chicago

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

Style de citation MLA

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

Attention : ces citations peuvent ne pas être correctes à 100%.