Cita APA (7th ed.)

Sheldon, J. (1994). dBase for windows made easy: The basics and beyond. Osborne McGraw-Hill.

Cita Chicago (17th ed.)

Sheldon, Jim. DBase for Windows Made Easy: The Basics and Beyond. Berkeley: Osborne McGraw-Hill, 1994.

Cita MLA (9th ed.)

Sheldon, Jim. DBase for Windows Made Easy: The Basics and Beyond. Osborne McGraw-Hill, 1994.