APA aipamena

Arny, T. T. (2008). Explorations an Introduction to Astronomy. McGraw Hill.

Chicago Style aipamena

Arny, Thomas T. Explorations an Introduction to Astronomy. McGraw Hill, 2008.

MLA aipamena

Arny, Thomas T. Explorations an Introduction to Astronomy. McGraw Hill, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.