Cita APA (7a ed.)

PERRY GREG. (1998). TEACH YOURSELF VISUAL BASIC 6 IN 21 DAYS. TECHMEDIA.

Cita Chicago Style (17a ed.)

PERRY GREG. TEACH YOURSELF VISUAL BASIC 6 IN 21 DAYS. NEW DELHI: TECHMEDIA, 1998.

Cita MLA (9a ed.)

PERRY GREG. TEACH YOURSELF VISUAL BASIC 6 IN 21 DAYS. TECHMEDIA, 1998.