APA aipamena

Arny, T. T. (2000). Explorations: An introduction to astronomy. McGraw-Hil.

Chicago Style aipamena

Arny, Thomas T. Explorations: An Introduction to Astronomy. McGraw-Hil, 2000.

MLA aipamena

Arny, Thomas T. Explorations: An Introduction to Astronomy. McGraw-Hil, 2000.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.