MacGibbon, E. G. (1954). Manners in business (New, rev., and enl. ed.). Macmillan.
Cita Chicago (17th ed.)MacGibbon, Elizabeth Gregg. Manners in Business. New, rev., and enl. ed. New York: Macmillan, 1954.
Cita MLA (9th ed.)MacGibbon, Elizabeth Gregg. Manners in Business. New, rev., and enl. ed. Macmillan, 1954.
Atenció: Aquestes cites poden no estar 100% correctes.