APA-referens (7:e uppl.)

Gupta, A. (2015). Group theory and spectroscopy (2nd.). Pragati Prakashan.

Chicago-referens (17:e uppl.)

Gupta, A. Group Theory and Spectroscopy. 2nd. Meerut: Pragati Prakashan, 2015.

MLA-referens (9:e uppl.)

Gupta, A. Group Theory and Spectroscopy. 2nd. Pragati Prakashan, 2015.