Frazier, D. A. (1999). The ABCs of safe flying. McGraw-Hill.
Cita Chicago Style (17a ed.)Frazier, David A. The ABCs of Safe Flying. McGraw-Hill, 1999.
Cita MLA (8a ed.)Frazier, David A. The ABCs of Safe Flying. McGraw-Hill, 1999.
Precaución: Estas citas no son 100% exactas.