Citazione Stile APA (7a Edizione)

Waugh, D., & Bushell, T. (2007). New key geography for GCSE (2nd ed.). Nelson Thornes.

Citazione stile Chigago Style (17a edizione)

Waugh, David, e Tony Bushell. New Key Geography for GCSE. 2nd ed. Cheltenham: Nelson Thornes, 2007.

Citatione MLA (9a ed.)

Waugh, David, e Tony Bushell. New Key Geography for GCSE. 2nd ed. Nelson Thornes, 2007.