International Maritime Organization. (1995). International signs to provide guidance to persons at airports and marine terminals. IMO.
Chicago-Zitierstil (17. Ausg.)International Maritime Organization. International Signs to Provide Guidance to Persons at Airports and Marine Terminals. Londres: IMO, 1995.
MLA-Zitierstil (9. Ausg.)International Maritime Organization. International Signs to Provide Guidance to Persons at Airports and Marine Terminals. IMO, 1995.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.