Biswal, D., & Rao,J.K. (1980). Commercial correspondence (3rd rev. ed.). Kalyani.
シカゴスタイル引用形Biswal, D., , Rao,J.K. Commercial Correspondence. 3rd rev. ed. Ludhiana: Kalyani, 1980.
MLA引用形式Biswal, D., , Rao,J.K. Commercial Correspondence. 3rd rev. ed. Kalyani, 1980.
警告: この引用は必ずしも正確ではありません.