National Center for Construction Education and Research (U.S.). (2005). Heavy equipment operations: Level one : test booklet. Prentice Hall.
Citación estilo ChicagoNational Center for Construction Education and Research (U.S.). Heavy Equipment Operations: Level One : Test Booklet. Upper Saddle River, NJ: Prentice Hall, 2005.
Cita MLANational Center for Construction Education and Research (U.S.). Heavy Equipment Operations: Level One : Test Booklet. Prentice Hall, 2005.
Warning: These citations may not always be 100% accurate.