APA (7e ed.) Bronvermelding

Salkield, L. U., & Cahalan, M. J. A technical history of the Rio Tinto mines: Some notes on exploitation from pre-Phoenician times to the 1950s. Springer International Publishing.

Chicago (17e ed.) Bronvermelding

Salkield, Leonard Unthank, en Maurice J. Cahalan. A Technical History of the Rio Tinto Mines: Some Notes on Exploitation from Pre-Phoenician Times to the 1950s. Cham: Springer International Publishing.

MLA (8e ed.) Bronvermelding

Salkield, Leonard Unthank, en Maurice J. Cahalan. A Technical History of the Rio Tinto Mines: Some Notes on Exploitation from Pre-Phoenician Times to the 1950s. Springer International Publishing.