Gardner, D., Hart, G., Howes, N., & Flinders, K. (2002). A new introduction to geography for OCR GCSE specification A (First published, 5. impression.). Hodder & Stoughton.
Citazione stile Chigago Style (17a edizione)Gardner, David, Greg Hart, Nic Howes, e Keith Flinders. A New Introduction to Geography for OCR GCSE Specification A. First published, 5. impression. London: Hodder & Stoughton, 2002.
Citatione MLA (9a ed.)Gardner, David, et al. A New Introduction to Geography for OCR GCSE Specification A. First published, 5. impression. Hodder & Stoughton, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.