Powell, R. (2011). AQA AS Economics Student Unit Guide. Hodder Education.
Chicago Style (17th ed.) CitationPowell, Ray. AQA AS Economics Student Unit Guide. London: Hodder Education, 2011.
MLA (9th ed.) CitationPowell, Ray. AQA AS Economics Student Unit Guide. Hodder Education, 2011.
Warning: These citations may not always be 100% accurate.