Cita APA (7a ed.)

LEEDS, H. D. Computer programmig Fundamentals: Based on the IBM System. McGraw-Hill.

Cita Chicago Style (17a ed.)

LEEDS, Herbert D. Computer Programmig Fundamentals: Based on the IBM System. New York: McGraw-Hill.

Cita MLA (9a ed.)

LEEDS, Herbert D. Computer Programmig Fundamentals: Based on the IBM System. McGraw-Hill.