Lesikar, R. (1979). Basic business communication. Richard D Irwin.
芝加哥风格引文Lesikar, Raymond. Basic Business Communication. NULL: Richard D Irwin, 1979.
MLA引文Lesikar, Raymond. Basic Business Communication. Richard D Irwin, 1979.
警告：这些引文格式不一定是100％准确.
APA引文