00405nam a2200145Ia 4500008004100000020001800041041000800059082001500067100002200082245007100104250000600175260004300181300000800224650002700232210716s2013    xx            000 0 und d  a9780349401188  aeng  a651.7 MAHM  aMaher, Michael J.  aSeven levels of communication: go from relationships to referrals.  a1  aLondonbLittle Brown and Companyc2013  a161  aBusiness Communication