Graham, N. (1979). Introduction to computer science: A structured approach. West Pub. Co..
Chicago-viite (17. p.)Graham, Neill. Introduction to Computer Science: A Structured Approach. St. Paul: West Pub. Co., 1979.
MLA-viite (8. p.)Graham, Neill. Introduction to Computer Science: A Structured Approach. West Pub. Co., 1979.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.