APA-Zitierstil (7. Ausg.)

Thom, M., & Armstrong, E. (2016). Geography for CCEA AS Level (AS Level, 2nd edition.). Colourpoint Educational.

Chicago-Zitierstil (17. Ausg.)

Thom, Martin, und Eileen Armstrong. Geography for CCEA AS Level. AS Level, 2nd edition. Newtownards, County Down, Northern Ireland: Colourpoint Educational, 2016.

MLA-Zitierstil (9. Ausg.)

Thom, Martin, und Eileen Armstrong. Geography for CCEA AS Level. AS Level, 2nd edition. Colourpoint Educational, 2016.