APA
Robert P Donald G. O., . (2000). Visual basic 6 fraom scratch. New Delhi: Prentice-Hall of India.
Chicago
Robert P Donald Gabriel Oancea, . 2000. Visual basic 6 fraom scratch. New Delhi: Prentice-Hall of India.
Harvard
Robert P Donald G. O., . (2000). Visual basic 6 fraom scratch. New Delhi: Prentice-Hall of India.
MLA
Robert P Donald Gabriel Oancea, . Visual basic 6 fraom scratch. New Delhi: Prentice-Hall of India. 2000.