Baugh, L. (1998). How to write first class business correspondence. Viva.
Chicago Style (17th ed.) CitationBaugh, L. How to Write First Class Business Correspondence. New Delhi: Viva, 1998.
MLA引文Baugh, L. How to Write First Class Business Correspondence. Viva, 1998.
警告:這些引文格式不一定是100%准確.