Παραπομπή APA

Swapna Gautam. (2017). General Studies Paper- I & II: IAS Preliminary. KBC Nano.

Παραπομπή Chicago Style

Swapna Gautam. General Studies Paper- I & II: IAS Preliminary. New Delhi: KBC Nano, 2017.

Παραπομπή MLA

Swapna Gautam. General Studies Paper- I & II: IAS Preliminary. KBC Nano, 2017.