APA

Calhoun G., . (1988). Digital Cellular Radio. New York, USA: [s.n.].

Chicago

Calhoun George, . 1988. Digital Cellular Radio. New York, USA: [s.n.].

Harvard

Calhoun G., . (1988). Digital Cellular Radio. New York, USA: [s.n.].

MLA

Calhoun George, . Digital Cellular Radio. New York, USA: [s.n.]. 1988.