Schiff, B. J. (2002). Private commercial (2nd. ed.). Aviation Supplies & Academics, Inc.
Cita Chicago Style (17a ed.)Schiff, Barry J. Private Commercial. 2nd. ed. Newcastle (Washington): Aviation Supplies & Academics, Inc, 2002.
Cita MLA (9a ed.)Schiff, Barry J. Private Commercial. 2nd. ed. Aviation Supplies & Academics, Inc, 2002.
Precaución: Estas citas no son 100% exactas.