Citazione Stile APA (7a Edizione)

Bilham-Boult, A., & Orrell, K. (2001). People, places and themes: GCSE geography for the Bristol Project (2. ed.). Heinemann.

Citazione stile Chigago Style (17a edizione)

Bilham-Boult, Alan, e Keith Orrell. People, Places and Themes: GCSE Geography for the Bristol Project. 2. ed. Oxford [u.a.]: Heinemann, 2001.

Citatione MLA (9a ed.)

Bilham-Boult, Alan, e Keith Orrell. People, Places and Themes: GCSE Geography for the Bristol Project. 2. ed. Heinemann, 2001.