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