Ober, S. (1993). Gregg college keyboarding & document processing for microcomputers, complete course (7th ed.). Glencoe.
Chicagoスタイル(17版)引用形式Ober, Scot. Gregg College Keyboarding & Document Processing for Microcomputers, Complete Course. 7th ed. New York, N.Y.: Glencoe, 1993.
MLA(8版)引用形式Ober, Scot. Gregg College Keyboarding & Document Processing for Microcomputers, Complete Course. 7th ed. Glencoe, 1993.
警告: この引用は必ずしも正確ではありません.