APA Citation

WILLIAMS. (1999). VISUAL Basic 6.0 programming introduction. [?]: NCC Education.

Chicago Style Citation

WILLIAMS. VISUAL Basic 6.0 Programming Introduction. [?]: NCC Education, 1999.

MLA Citation

WILLIAMS. VISUAL Basic 6.0 Programming Introduction. [?]: NCC Education, 1999.

Warning: These citations may not always be 100% accurate.