APA (7th ed.) Zitazioa

Bisque, R. E. (1975). Earth science: Patterns in our environment. Prentice-Hall.

Chicago Style (17th ed.) Zitazioa

Bisque, Ramon E. Earth Science: Patterns in Our Environment. Englewood cliffs: Prentice-Hall, 1975.

MLA (9th ed.) Zitazioa

Bisque, Ramon E. Earth Science: Patterns in Our Environment. Prentice-Hall, 1975.