Smart, W. K. (1916). How to write business letters. A.W. Shaw Co..
Chicago Style (17th ed.) CitationSmart, Walter Kay. How to Write Business Letters. New York : Chicago [etc.]: A.W. Shaw Co., 1916.
MLA引文Smart, Walter Kay. How to Write Business Letters. A.W. Shaw Co., 1916.
警告:这些引文格式不一定是100%准确.