Cita APA (7th ed.)
Simpson, A. (1986). Advanced techniques in dBase III plus. BPB.
Cita Chicago (17th ed.)
Simpson, Alan. Advanced Techniques in DBase III Plus. Delhi: BPB, 1986.
Cita MLA (9th ed.)
Simpson, Alan. Advanced Techniques in DBase III Plus. BPB, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.