APA-referens

Arny, T. T. (2004). Explorations: An introduction to astronomy (3rd ed.). McGraw-Hill-Higher education.

Chicago-stil citat

Arny, Thomas T. Explorations: An Introduction to Astronomy. 3rd ed. Boston: McGraw-Hill-Higher education, 2004.

MLA-referens

Arny, Thomas T. Explorations: An Introduction to Astronomy. 3rd ed. McGraw-Hill-Higher education, 2004.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.