New York. Parker Publishing Company. (1965). Business etiquette handbook. [s.n.
Chicagoスタイル(17版)引用形式New York. Parker Publishing Company. Business Etiquette Handbook. West Nyack, N.Y: [s.n, 1965.
MLA(9版)引用形式New York. Parker Publishing Company. Business Etiquette Handbook. [s.n, 1965.
警告: この引用は必ずしも正確ではありません.