Citazione Stile APA (7a Edizione)

Symons, W. G. (1953). Some problems of labour inspection in European countries. International Labour Organization.

Citazione stile Chigago Style (17a edizione)

Symons, W. G. Some Problems of Labour Inspection in European Countries. International Labour Organization, 1953.

Citatione MLA (9a ed.)

Symons, W. G. Some Problems of Labour Inspection in European Countries. International Labour Organization, 1953.