1947, W., H., M.(1989).Computer science 2 : principles of software engineering, data types, and algorithms / Henry M. Walker .Glenview, Ill.:Scott, Foresman.
Gaya MLA
Walker, Henry, M.,, 1947."Computer science 2 : principles of software engineering, data types, and algorithms / Henry M. Walker".Glenview, Ill.:Scott, Foresman,1989.Textbook.