Raj kumar. (2010). Basic business communication: Concepts,applications and skills. Excel books.
シカゴスタイル引用形Raj kumar. Basic Business Communication: Concepts,applications and Skills. New delhi: Excel books, 2010.
MLA引用形式Raj kumar. Basic Business Communication: Concepts,applications and Skills. Excel books, 2010.
警告: この引用は必ずしも正確ではありません.