British Tourist Authority. (1980). Britain's historic buildings: A policy for their future use. BTA on behalf of the Working Party.
Citação do estilo Chicago (17ª ed.)British Tourist Authority. Britain's Historic Buildings: A Policy for Their Future Use. London: BTA on behalf of the Working Party, 1980.
Citação MLA (9ª ed.)British Tourist Authority. Britain's Historic Buildings: A Policy for Their Future Use. BTA on behalf of the Working Party, 1980.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.