Campbell, C., & Geddes, I. (2019). Higher geography: Global issues (Second edition, fully updated with: new course content, revised case studies, latest assessment guidance.). Hodder Education, an Hachette UK Company.
Chicago-Zitierstil (17. Ausg.)Campbell, Calum, und Ian Geddes. Higher Geography: Global Issues. Second edition, fully updated with: new course content, revised case studies, latest assessment guidance. London: Hodder Education, an Hachette UK Company, 2019.
MLA-Zitierstil (9. Ausg.)Campbell, Calum, und Ian Geddes. Higher Geography: Global Issues. Second edition, fully updated with: new course content, revised case studies, latest assessment guidance. Hodder Education, an Hachette UK Company, 2019.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.