Wheeler, E. (1971). Tested retail selling. Wilco Publishing House.
Chicago Edition CitationWheeler, Elmer. Tested Retail Selling. Bombay: Wilco Publishing House, 1971.
Cita MLAWheeler, Elmer. Tested Retail Selling. Wilco Publishing House, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.