United States Catholic Conference. Committee on Social Development and World Peace. (1976). Strip mining: A call for regulation. U.S. Catholic Conference.
Chicago Style aipamenaUnited States Catholic Conference. Committee on Social Development and World Peace. Strip Mining: A Call for Regulation. Washington, D.C.: U.S. Catholic Conference, 1976.
MLA aipamenaUnited States Catholic Conference. Committee on Social Development and World Peace. Strip Mining: A Call for Regulation. U.S. Catholic Conference, 1976.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.