Ingham, R., & Covey,Elizabeth. (1980). The costumer's handbook. Prentice-Hall.
Chicago Edition CitationIngham, Rosemary, i Covey,Elizabeth. The Costumer's Handbook. Englewood Cliffs, N.J.: Prentice-Hall, 1980.
Cita MLAIngham, Rosemary, i Covey,Elizabeth. The Costumer's Handbook. Prentice-Hall, 1980.
Atenció: Aquestes cites poden no estar 100% correctes.