Παραπομπή APA

Bhatia, V. B. (2001). Textbook of astronomy and astrophysics with elements of cosmology. Narosa Publishing House.

Παραπομπή Chicago Style

Bhatia, V. B. Textbook of Astronomy and Astrophysics with Elements of Cosmology. New Delhi: Narosa Publishing House, 2001.

Παραπομπή MLA

Bhatia, V. B. Textbook of Astronomy and Astrophysics with Elements of Cosmology. Narosa Publishing House, 2001.