Citazione Stile APA (7a Edizione)

Hersch, L. (1929). Seasonal unemployment in the building industry in certain European countries: III. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

Hersch, Liebmann. Seasonal Unemployment in the Building Industry in Certain European Countries: III. International Labour Organization, 1929.

Citatione MLA (9a ed.)

Hersch, Liebmann. Seasonal Unemployment in the Building Industry in Certain European Countries: III. International Labour Organization, 1929.