Collin, W. G. (1974). Introducing computer programming: (a machine and language-independent textbook for beginners). NCC Publications.
Chicago-referens (17:e uppl.)Collin, W. G. Introducing Computer Programming: (a Machine and Language-independent Textbook for Beginners). [Manchester]: NCC Publications, 1974.
MLA-referens (8:e uppl.)Collin, W. G. Introducing Computer Programming: (a Machine and Language-independent Textbook for Beginners). NCC Publications, 1974.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.