Shurter, R. L., & Williamson,J.Peter. (1957). Written communication in business/2e (2nd ed.). McGraw Hill.
استشهاد بنمط شيكاغوShurter, Robert L., و Williamson,J.Peter. Written Communication in Business/2e. 2nd ed. New York: McGraw Hill, 1957.
MLA استشهادShurter, Robert L., و Williamson,J.Peter. Written Communication in Business/2e. 2nd ed. McGraw Hill, 1957.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.