APA aipamena

Nebel, B. J. (1998). Environmental sciencethe way the world works. Prentice-Hall.

Chicago Style aipamena

Nebel, Bernard J. Environmental Sciencethe Way the World Works. Prentice-Hall, 1998.

MLA aipamena

Nebel, Bernard J. Environmental Sciencethe Way the World Works. Prentice-Hall, 1998.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.