Gaya APA

Hollis, Billy S. (1999). Visual basic 6 : design, specification, and objects . New Jersey: Prentice Hall.

Gaya Chicago

Hollis, Billy S. Visual basic 6 : design, specification, and objects. New Jersey: Prentice Hall, 1999. CD ROM.

Gaya MLA

Hollis, Billy S. Visual basic 6 : design, specification, and objects. New Jersey: Prentice Hall, 1999. CD ROM.

Gaya Turabian

Hollis, Billy S. Visual basic 6 : design, specification, and objects. New Jersey: Prentice Hall, 1999. CD ROM.