APA

Calter P., . (1973). Problem solving with computers. New York [u.a.]: McGraw-Hill.

Chicago

Calter Paul, . 1973. Problem solving with computers. New York [u.a.]: McGraw-Hill.

Harvard

Calter P., . (1973). Problem solving with computers. New York [u.a.]: McGraw-Hill.

MLA

Calter Paul, . Problem solving with computers. New York [u.a.]: McGraw-Hill. 1973.