APA

Barker J. R., . (1964). Mechanical and electrical vibrations. London [u.a.]: Methuen [u.a.].

Chicago

Barker John Robert, . 1964. Mechanical and electrical vibrations. London [u.a.]: Methuen [u.a.].

Harvard

Barker J. R., . (1964). Mechanical and electrical vibrations. London [u.a.]: Methuen [u.a.].

MLA

Barker John Robert, . Mechanical and electrical vibrations. London [u.a.]: Methuen [u.a.]. 1964.