000 00268nam a2200121Ia 4500
008 190516s9999 xx 000 0 und d
100 _aZEITHAML VALARIC
245 0 _aSERVICES MARKETING
250 _a6
260 _c2013
_bMC GRAW HILL
300 _a716
942 _cBK
999 _c18083
_d18083