Παραπομπή APA

Kembhavi, A., & Narlikar, J. V. (1999). Quasars and Active Galactic Nuclei, an Introduction. Cambridge University Press.

Παραπομπή Chicago Style

Kembhavi, Ajit.K, και Jayant V. Narlikar. Quasars and Active Galactic Nuclei, an Introduction. Cambridge: Cambridge University Press, 1999.

Παραπομπή MLA

Kembhavi, Ajit.K, και Jayant V. Narlikar. Quasars and Active Galactic Nuclei, an Introduction. Cambridge University Press, 1999.