Baldrige, L. (1993). Letitia Baldrige's new complete guide to executive manners. Rawson Associates.
Chicagoスタイル(17版)引用形式Baldrige, Letitia. Letitia Baldrige's New Complete Guide to Executive Manners. New York: Rawson Associates, 1993.
MLA(9版)引用形式Baldrige, Letitia. Letitia Baldrige's New Complete Guide to Executive Manners. Rawson Associates, 1993.
警告: この引用は必ずしも正確ではありません.