APA

Birnes W. J., Woodall W. P. & Hayfield N. H. (1989). PC Hardware and Systems Implementation. New York: McGray-Hill Publishing Company.

Chicago

Birnes W J, Woodall W P and Hayfield N H. 1989. PC Hardware and Systems Implementation. New York: McGray-Hill Publishing Company.

Harvard

Birnes W. J., Woodall W. P. and Hayfield N. H. (1989). PC Hardware and Systems Implementation. New York: McGray-Hill Publishing Company.

MLA

Birnes W J, Woodall W P and Hayfield N H. PC Hardware and Systems Implementation. New York: McGray-Hill Publishing Company. 1989.