Cita APA (7a ed.)
International Library of Technology. Rock Boring, Rock Drilling, Explosives and Blasting, Coal-Cutting Machinery, Timbering, Timber Trees, Trackwork. International Textbook.
Cita estilo Chicago (17a ed.)
International Library of Technology. Rock Boring, Rock Drilling, Explosives and Blasting, Coal-Cutting Machinery, Timbering, Timber Trees, Trackwork. Scranton, EUA: International Textbook.
Cita MLA (9a ed.)
International Library of Technology. Rock Boring, Rock Drilling, Explosives and Blasting, Coal-Cutting Machinery, Timbering, Timber Trees, Trackwork. International Textbook.
Precaución: Estas citas no son 100% exactas.