APA-referens (7:e uppl.)

Naimpathy, S. (1963). A new course in trignometry (2nd.). Popular Prakashan.

Chicago-referens (17:e uppl.)

Naimpathy, S. A New Course in Trignometry. 2nd. Bombay: Popular Prakashan, 1963.

MLA-referens (9:e uppl.)

Naimpathy, S. A New Course in Trignometry. 2nd. Popular Prakashan, 1963.