Cita APA

Thomas, L. J., & Thomas, L. J. (1979). An Introduction to mining: Exploration, feasibility, extraction, rock mechanics. Sydney: Methuen of Australia.

Citación estilo Chicago

Thomas, Leon J., y Leon J. Thomas. An Introduction to Mining: Exploration, Feasibility, Extraction, Rock Mechanics. Sydney: Methuen of Australia, 1979.

Cita MLA

Thomas, Leon J., y Leon J. Thomas. An Introduction to Mining: Exploration, Feasibility, Extraction, Rock Mechanics. Sydney: Methuen of Australia, 1979.