Cita APA (7th ed.)

(1987). Learning and using dBASE III plus. Jdigielecom Pub and Traders.

Cita Chicago (17th ed.)

Learning and Using DBASE III Plus. Manila: Jdigielecom Pub and Traders, 1987.

Cita MLA (9th ed.)

Learning and Using DBASE III Plus. Jdigielecom Pub and Traders, 1987.