000 00299nam a2200133Ia 4500
008 160921s9999 xx 000 0 und d
020 _a0-7494-5685-6
100 _aRYAN DAMIAN
245 _aUNDERSTANDING DIGITAL MARKETING
250 _a1st
260 _bKOGAN
_c2009
300 _a276
942 _cBK
999 _c9471
_d9471