APA استشهاد

Bethel L. Lawrence. (1959). Essentials of industrial management. McGraw-Hill.

استشهاد بنمط شيكاغو

Bethel L. Lawrence. Essentials of Industrial Management. New York: McGraw-Hill, 1959.

MLA استشهاد

Bethel L. Lawrence. Essentials of Industrial Management. McGraw-Hill, 1959.