Smart, W. K. (1916). How to write business letters. A.W. Shaw Co..
Chicagoスタイル(17版)引用形式Smart, Walter Kay. How to Write Business Letters. New York : Chicago [etc.]: A.W. Shaw Co., 1916.
MLA(8版)引用形式Smart, Walter Kay. How to Write Business Letters. A.W. Shaw Co., 1916.
警告: この引用は必ずしも正確ではありません.