Παραπομπή APA

Govt. of India. (1989). Statistical pocket book: India 1989. Govt. of India.

Παραπομπή Chicago Style

Govt. of India. Statistical Pocket Book: India 1989. Govt. of India, 1989.

Παραπομπή MLA

Govt. of India. Statistical Pocket Book: India 1989. Govt. of India, 1989.