LEEDS, H. D. Computer programmig Fundamentals: Based on the IBM System. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)LEEDS, Herbert D. Computer Programmig Fundamentals: Based on the IBM System. New York: McGraw-Hill.
Citatione MLA (9a ed.)LEEDS, Herbert D. Computer Programmig Fundamentals: Based on the IBM System. McGraw-Hill.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.