(1952). The minimum age of admission to work underground in coal mines: Sixth item on the agenda ; International Labour Conference ; Thirty-sixth session ; 1953. International Labour Office.
Chicago-Zitierstil (17. Ausg.)The Minimum Age of Admission to Work Underground in Coal Mines: Sixth Item on the Agenda ; International Labour Conference ; Thirty-sixth Session ; 1953. Geneva: International Labour Office, 1952.
MLA-Zitierstil (9. Ausg.)The Minimum Age of Admission to Work Underground in Coal Mines: Sixth Item on the Agenda ; International Labour Conference ; Thirty-sixth Session ; 1953. International Labour Office, 1952.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.