APA aipamena

Arny, T. T., & Thomas T. Arny. (2008). Explorations: An introduction to astronomy. New York, NY: McGraw-Hill.

Chicago Style aipamena

Arny, Thomas T., và Thomas T. Arny. Explorations: An Introduction to Astronomy. New York, NY: McGraw-Hill, 2008.

MLA aipamena

Arny, Thomas T., và Thomas T. Arny. Explorations: An Introduction to Astronomy. New York, NY: McGraw-Hill, 2008.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.