Richards, p. G. (1956). Delegation in local government: Country to district councils . Allen & unwin.
Citazione stile Chigago Style (17a edizione)Richards, peter G. Delegation in Local Government: Country to District Councils . London: Allen & unwin, 1956.
Citatione MLA (9a ed.)Richards, peter G. Delegation in Local Government: Country to District Councils . Allen & unwin, 1956.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.