APA aipamena

National Center on Police and Community Relations. (1967). A national survey of police and community relations. U.S. Gov't. Print. Off.

Chicago Style aipamena

National Center on Police and Community Relations. A National Survey of Police and Community Relations. Washington: U.S. Gov't. Print. Off, 1967.

MLA aipamena

National Center on Police and Community Relations. A National Survey of Police and Community Relations. U.S. Gov't. Print. Off, 1967.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.