Citazione Stile APA (7a Edizione)

(1925). The work of the federal department of labour of the United States in 1923-1924. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

The Work of the Federal Department of Labour of the United States in 1923-1924. International Labour Organization, 1925.

Citatione MLA (9a ed.)

The Work of the Federal Department of Labour of the United States in 1923-1924. International Labour Organization, 1925.