Lesikar, R. (1979). Basic business communication. Richard D Irwin.
Chicagoスタイル(17版)引用形式Lesikar, Raymond. Basic Business Communication. NULL: Richard D Irwin, 1979.
MLA(9版)引用形式Lesikar, Raymond. Basic Business Communication. Richard D Irwin, 1979.
警告: この引用は必ずしも正確ではありません.