APA aipamena

Jewell, R. E. C. Central and local government (2nd. ed.).

Chicago Style aipamena

Jewell, R. E. C. Central and Local Government. 2nd. ed.

MLA aipamena

Jewell, R. E. C. Central and Local Government. 2nd. ed.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.