APA

IES Master Publication, . (2019). Basics of information and communication technology: ESE-2020 prelims paper-I [4th ed.]. New Delhi: IES Master Publication.

Chicago

IES Master Publication, . 2019. Basics of information and communication technology: ESE-2020 prelims paper-I [4th ed.]. New Delhi: IES Master Publication.

Harvard

IES Master Publication, . (2019). Basics of information and communication technology: ESE-2020 prelims paper-I [4th ed.]. New Delhi: IES Master Publication.

MLA

IES Master Publication, . Basics of information and communication technology: ESE-2020 prelims paper-I [4th ed.]. New Delhi: IES Master Publication. 2019.