APA

MacEwen G. H., . (1980). Introduction to computer systems: using the PDP-11 and Pascal. New York: McGraw-Hill.

Chicago

MacEwen Glenn H, . 1980. Introduction to computer systems: using the PDP-11 and Pascal. New York: McGraw-Hill.

Harvard

MacEwen G. H., . (1980). Introduction to computer systems: using the PDP-11 and Pascal. New York: McGraw-Hill.

MLA

MacEwen Glenn H, . Introduction to computer systems: using the PDP-11 and Pascal. New York: McGraw-Hill. 1980.