Narlikar,, J. V. (1991). Frontier between physics and astronomy (1st.). Macmillan.
Chicago Style aipamenaNarlikar,, Jayant V. Frontier Between Physics and Astronomy. 1st. New Delhi: Macmillan, 1991.
MLA aipamenaNarlikar,, Jayant V. Frontier Between Physics and Astronomy. 1st. Macmillan, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.