Career Press Inc. (1993). Powerful telephone skills: A quick and handy guide for any manager or business owner. Hawthorne, NJ: Career Press.
استشهاد بنمط شيكاغوCareer Press Inc. Powerful Telephone Skills: A Quick and Handy Guide for Any Manager or Business Owner. Hawthorne, NJ: Career Press, 1993.
MLA استشهادCareer Press Inc. Powerful Telephone Skills: A Quick and Handy Guide for Any Manager or Business Owner. Hawthorne, NJ: Career Press, 1993.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.