Roberts, B. C. (1957). Trade union government and administration in Great Britain. G. Bell and Sons, Ltd.
Citazione stile Chigago Style (17a edizione)Roberts, Benjamin Charles. Trade Union Government and Administration in Great Britain. London: G. Bell and Sons, Ltd, 1957.
Citatione MLA (9a ed.)Roberts, Benjamin Charles. Trade Union Government and Administration in Great Britain. G. Bell and Sons, Ltd, 1957.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.