Παραπομπή APA

Narlikar, J. V. (1977). Structure of the universe. Oxford University.

Παραπομπή Chicago Style

Narlikar, Jayant V. Structure of the Universe. London: Oxford University, 1977.

Παραπομπή MLA

Narlikar, Jayant V. Structure of the Universe. Oxford University, 1977.