APA استشهاد

Handscombe, R. S. (1989). Product management handbook. McGraw-Hill.

استشهاد بنمط شيكاغو

Handscombe, Richard S. Product Management Handbook. New York: McGraw-Hill, 1989.

MLA استشهاد

Handscombe, Richard S. Product Management Handbook. McGraw-Hill, 1989.