Cita APA (7th ed.)

Petroutsos, E. (1998). Mastering visual basic 6. BPB.

Cita Chicago (17th ed.)

Petroutsos, Evangclos. Mastering Visual Basic 6. New Delhi: BPB, 1998.

Cita MLA (9th ed.)

Petroutsos, Evangclos. Mastering Visual Basic 6. BPB, 1998.