APA引文

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

Chicago Style (17th ed.) Citation

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

MLA引文

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