APA aipamena

Narlikar Jayant. A Journey Through The Universe. National Book Trust.

Chicago Style aipamena

Narlikar Jayant. A Journey Through The Universe. 1986 1986: National Book Trust.

MLA aipamena

Narlikar Jayant. A Journey Through The Universe. National Book Trust.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.