Παραπομπή σε μορφή APA (7η εκδ.)

International Civil Aviation Organization. (1970). International signs to facilitate passengers using airports.

Παραπομπή σε μορφή Chicago (17η εκδ.)

International Civil Aviation Organization. International Signs to Facilitate Passengers Using Airports. Montrealn, 1970.

Παραπομπή σε μορφή MLA (9th εκδ.)

International Civil Aviation Organization. International Signs to Facilitate Passengers Using Airports. 1970.