Tooley, M. (2000). Engineering GNVQ: Advanced. Newnes.
Cita Chicago (17th ed.)Tooley, Mike. Engineering GNVQ: Advanced. Oxford: Newnes, 2000.
Cita MLA (8th ed.)Tooley, Mike. Engineering GNVQ: Advanced. Newnes, 2000.
Atenció: Aquestes cites poden no estar 100% correctes.