Fretwell, M., Kelly, D., & Nanson, J. (2015). Geography for Cambridge International AS & A level ([Student book], AS & A level, Cambridge International Examinations, endorsed for full syllabus coverage.). Oxford University Press.
Chicago-Zitierstil (17. Ausg.)Fretwell, Muriel, David Kelly, und John Nanson. Geography for Cambridge International AS & A Level. [Student book], AS & A level, Cambridge International Examinations, endorsed for full syllabus coverage. Oxford: Oxford University Press, 2015.
MLA-Zitierstil (9. Ausg.)Fretwell, Muriel, et al. Geography for Cambridge International AS & A Level. [Student book], AS & A level, Cambridge International Examinations, endorsed for full syllabus coverage. Oxford University Press, 2015.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.