APA

Heffer D. . E., King G. . A. & Keith D. . C. (1982). Basic Principles and Practice of Microcessors. London: Edward Arnold.

Chicago

Heffer D E, King G A and Keith D C. 1982. Basic Principles and Practice of Microcessors. London: Edward Arnold.

Harvard

Heffer D. . E., King G. . A. and Keith D. . C. (1982). Basic Principles and Practice of Microcessors. London: Edward Arnold.

MLA

Heffer D E, King G A and Keith D C. Basic Principles and Practice of Microcessors. London: Edward Arnold. 1982.