APA استشهاد

Wooldridge, S. (1977). Systems and programming standards. Petrocelli.

استشهاد بنمط شيكاغو

Wooldridge, Susan. Systems and Programming Standards. New York: Petrocelli, 1977.

MLA استشهاد

Wooldridge, Susan. Systems and Programming Standards. Petrocelli, 1977.