APA aipamena

Alexander, J. W. (1963). Economic Geography. Prentice-Hall.

Chicago Style aipamena

Alexander, John W. Economic Geography. Prentice-Hall, 1963.

MLA aipamena

Alexander, John W. Economic Geography. Prentice-Hall, 1963.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.