Stewart, J. D. (1958). British pressure groups: Their role in relation to the House of Commons. Clarendon Press.
Citazione stile Chigago Style (17a edizione)Stewart, John David. British Pressure Groups: Their Role in Relation to the House of Commons. Oxford: Clarendon Press, 1958.
Citatione MLA (9a ed.)Stewart, John David. British Pressure Groups: Their Role in Relation to the House of Commons. Clarendon Press, 1958.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.