Citazione Stile APA (7a Edizione)

Widdowson, J. (2003). Geography for common entrance (1. publ.). Murray.

Citazione stile Chigago Style (17a edizione)

Widdowson, John. Geography for Common Entrance. 1. publ. London: Murray, 2003.

Citatione MLA (9a ed.)

Widdowson, John. Geography for Common Entrance. 1. publ. Murray, 2003.