APA

Ketter R. L., Prawel S. P., . (1969). Modern methods of engineering computation. New York [u.a.]: McGraw-Hill.

Chicago

Ketter Robert L, Prawel Sherwood P, . 1969. Modern methods of engineering computation. New York [u.a.]: McGraw-Hill.

Harvard

Ketter R. L., Prawel S. P., . (1969). Modern methods of engineering computation. New York [u.a.]: McGraw-Hill.

MLA

Ketter Robert L, Prawel Sherwood P, . Modern methods of engineering computation. New York [u.a.]: McGraw-Hill. 1969.