Παραπομπή APA

Kembhavi, A. K. N. (1999). Quasars and active galactic nuclei: An introduction.

Παραπομπή Chicago Style

Kembhavi, Ajit K; Narlikar. Quasars and Active Galactic Nuclei: An Introduction. Cambridge University Press, Cambridge, 1999.

Παραπομπή MLA

Kembhavi, Ajit K; Narlikar. Quasars and Active Galactic Nuclei: An Introduction. 1999.