John V. Thill. (1997). Excellence in business communication. Upper Saddle River: Prentice-Hall.
استشهاد بنمط شيكاغوJohn V. Thill. Excellence in Business Communication. Upper Saddle River: Prentice-Hall, 1997.
MLA استشهادJohn V. Thill. Excellence in Business Communication. Upper Saddle River: Prentice-Hall, 1997.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.