International Federation of Free Teachers' Unions. (1972). Constitution: As revised by the tenth world congress (Vienna, July 1972).
Chicago-Zitierstil (17. Ausg.)International Federation of Free Teachers' Unions. Constitution: As Revised by the Tenth World Congress (Vienna, July 1972). Brussels, 1972.
MLA-Zitierstil (9. Ausg.)International Federation of Free Teachers' Unions. Constitution: As Revised by the Tenth World Congress (Vienna, July 1972). 1972.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.