Hanson, R. N., Johnson, J. E., Ober, S., & Rice, A. (2003). Gregg college keyboarding & document processing (9th ed.). Boston: McGraw-Hill.
استشهاد بنمط شيكاغوHanson, Robert N., Jack E. Johnson, Scot Ober, و Arlence Rice. Gregg College Keyboarding & Document Processing. 9th ed. Boston: McGraw-Hill, 2003.
MLA استشهادHanson, Robert N., Jack E. Johnson, Scot Ober, و Arlence Rice. Gregg College Keyboarding & Document Processing. 9th ed. Boston: McGraw-Hill, 2003.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.