Παραπομπή APA

Research ,Reference And Training Division. (1991). India 1991 - A Reference Annual.

Παραπομπή Chicago Style

Research ,Reference And Training Division. India 1991 - A Reference Annual. Publication Division ., Govt. Of India, 1991.

Παραπομπή MLA

Research ,Reference And Training Division. India 1991 - A Reference Annual. 1991.