Cita APA (7th ed.)

Locke, T., & Locke, A. (2008). Bridges of the world: An illustrated history. Automobile Association Developments Ltd.

Cita Chicago (17th ed.)

Locke, Tim, i Anne Locke. Bridges of the World: An Illustrated History. Basingstoke, Hampshire: Automobile Association Developments Ltd, 2008.

Cita MLA (9th ed.)

Locke, Tim, i Anne Locke. Bridges of the World: An Illustrated History. Automobile Association Developments Ltd, 2008.