APA引文

Arny Thomas T, & Schneider Stephen E. (2007). Explorations: An Introduction to Astronomy. American: Mc Graw Hill.

Trích dẫn kiểu Chicago

Arny Thomas T, và Schneider Stephen E. Explorations: An Introduction to Astronomy. American: Mc Graw Hill, 2007.

MLA引文

Arny Thomas T, và Schneider Stephen E. Explorations: An Introduction to Astronomy. American: Mc Graw Hill, 2007.

警告：這些引文格式不一定是100％准確.