National Research Council (U.S.). Transportation Research Board. (1987). Air transportation issues. Transportation Research Board, National Research Council.
Chicago-Zitierstil (17. Ausg.)National Research Council (U.S.). Transportation Research Board. Air Transportation Issues. Washington, D.C: Transportation Research Board, National Research Council, 1987.
MLA-Zitierstil (9. Ausg.)National Research Council (U.S.). Transportation Research Board. Air Transportation Issues. Transportation Research Board, National Research Council, 1987.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.