APA ציטוט

Arny, T. T. (2004). Explorations: An introduction to astronomy. Boston, MA: McGraw-Hill.

Trích dẫn kiểu Chicago

Arny, Thomas T. Explorations: An Introduction to Astronomy. Boston, MA: McGraw-Hill, 2004.

ציטוט MLA

Arny, Thomas T. Explorations: An Introduction to Astronomy. Boston, MA: McGraw-Hill, 2004.