The one minute sales person

Eitemau Tebyg

• One minute sales person
  gan: Johnson, Spencer and Wilson, Larry
  Cyhoeddwyd: (1984)
• One minute sales person
  gan: Johnson, Spencer; Wilson, Larry
  Cyhoeddwyd: (1996)
• The One minute sales person: the quickest way to more sales with less stress
  gan: Johnson, Spencer
  Cyhoeddwyd: (2005)
• One minute sales person : the quickest way to more sales with less stress
  gan: Johnson, Spencer; Wilson, Larry
  Cyhoeddwyd: (1992)
• One minute manager
  gan: Blanchard, Kenneth; Johnson, Spencer
  Cyhoeddwyd: (2013)