Παραπομπή APA

Clark,John O.E. Stiegeler,Stella. (2000). The Facts on File dictionary of earth science. Universities Press.

Παραπομπή Chicago Style

Clark,John O.E. Stiegeler,Stella. The Facts on File Dictionary of Earth Science. New York: Universities Press, 2000.

Παραπομπή MLA

Clark,John O.E. Stiegeler,Stella. The Facts on File Dictionary of Earth Science. Universities Press, 2000.