APA (7th ed.) Citation

Williams, S. A., & Walmsley, S. (1999). Discover Delphi : programming principles explained / Shirley Williams, Sue Walmsley: Programming principles explained. Addison-Wesley.

Chicago Style (17th ed.) Citation

Williams, Shirley A., and Sue Walmsley. Discover Delphi : Programming Principles Explained / Shirley Williams, Sue Walmsley: Programming Principles Explained. Harlow: Addison-Wesley, 1999.

MLA (9th ed.) Citation

Williams, Shirley A., and Sue Walmsley. Discover Delphi : Programming Principles Explained / Shirley Williams, Sue Walmsley: Programming Principles Explained. Addison-Wesley, 1999.

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