Morris, J. (1972). Make yourself clear!: Morris on business communication. McGraw-Hill.
Chicagoスタイル(17版)引用形式Morris, John. Make Yourself Clear!: Morris on Business Communication. New York: McGraw-Hill, 1972.
MLA(9版)引用形式Morris, John. Make Yourself Clear!: Morris on Business Communication. McGraw-Hill, 1972.
警告: この引用は必ずしも正確ではありません.