APA (7th ed.) Citation

Warn Sue. (2003). A2 Geography: Edexcel Specification B Unit 4. Philip Allan Updates.

Chicago Style (17th ed.) Citation

Warn Sue. A2 Geography: Edexcel Specification B Unit 4. England: Philip Allan Updates, 2003.

MLA (9th ed.) Citation

Warn Sue. A2 Geography: Edexcel Specification B Unit 4. Philip Allan Updates, 2003.

Warning: These citations may not always be 100% accurate.