Ober, S. (1998). Contemporary business communication (3rd ed.). Houghton Mifflin.
Chicagoスタイル(17版)引用形式Ober, Scot. Contemporary Business Communication. 3rd ed. Boston: Houghton Mifflin, 1998.
MLA(9版)引用形式Ober, Scot. Contemporary Business Communication. 3rd ed. Houghton Mifflin, 1998.
警告: この引用は必ずしも正確ではありません.