Buckinghamshire. County Council. (1978). Minerals subject plan: Draft for consultation. The Council.
Chicago Style aipamenaBuckinghamshire. County Council. Minerals Subject Plan: Draft for Consultation. Aylesbury: The Council, 1978.
MLA aipamenaBuckinghamshire. County Council. Minerals Subject Plan: Draft for Consultation. The Council, 1978.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.