Whitehead, H. (1976). An A - Z of offshore oil and gas: :an illustrated international glossary and reference guide tothe offshore oil and gas industries and their technology (Ed.2.). Gulf publishing.
Dyfyniad Arddull ChicagoWhitehead, Harry. An A - Z of Offshore Oil and Gas: :an Illustrated International Glossary and Reference Guide Tothe Offshore Oil and Gas Industries and Their Technology. Ed.2. Houston: Gulf publishing, 1976.
Dyfyniad MLAWhitehead, Harry. An A - Z of Offshore Oil and Gas: :an Illustrated International Glossary and Reference Guide Tothe Offshore Oil and Gas Industries and Their Technology. Ed.2. Gulf publishing, 1976.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.