(1985). Advanced programmer's guide: Featuring dBase III and dBase II / Luis Castro, Jay Hanson, and Tom Rettig.
Chicago-viite (17. p.)Advanced Programmer's Guide: Featuring DBase III and DBase II / Luis Castro, Jay Hanson, and Tom Rettig. 1985.
MLA-viite (9. p.)Advanced Programmer's Guide: Featuring DBase III and DBase II / Luis Castro, Jay Hanson, and Tom Rettig. 1985.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.