Cita APA (7a ed.)

Owen, A., Lancaster, C., & Leeder, A. (2010). GCSE geography for WJEC B: WJEC, CBAC (1. publ. 2009, 3. impr.). Hodder Education.

Cita Chicago Style (17a ed.)

Owen, Andy, Colin Lancaster, y Andy Leeder. GCSE Geography for WJEC B: WJEC, CBAC. 1. publ. 2009, 3. impr. London: Hodder Education, 2010.

Cita MLA (9a ed.)

Owen, Andy, et al. GCSE Geography for WJEC B: WJEC, CBAC. 1. publ. 2009, 3. impr. Hodder Education, 2010.