Cita APA (7a ed.)

Petre, R. (1968). Workers labour inspection delegates in Belgium with particular reference to mining. International Labour Organization.

Cita Chicago Style (17a ed.)

Petre, René. Workers Labour Inspection Delegates in Belgium with Particular Reference to Mining. International Labour Organization, 1968.

Cita MLA (9a ed.)

Petre, René. Workers Labour Inspection Delegates in Belgium with Particular Reference to Mining. International Labour Organization, 1968.