(1928). Le repos hebdomadaire chez les musiciens-instrumentistes professionnels. International Labour Organization.
Citazione stile Chigago Style (17a edizione)Le Repos Hebdomadaire Chez Les Musiciens-instrumentistes Professionnels. International Labour Organization, 1928.
Citatione MLA (9a ed.)Le Repos Hebdomadaire Chez Les Musiciens-instrumentistes Professionnels. International Labour Organization, 1928.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.