APA استشهاد

Mercer, L. G. (1964). Security Systems and Equipment (2nd.). McDonald and Evans.

استشهاد بنمط شيكاغو

Mercer, Lawrence G. Security Systems and Equipment. 2nd. London: McDonald and Evans, 1964.

MLA استشهاد

Mercer, Lawrence G. Security Systems and Equipment. 2nd. McDonald and Evans, 1964.