VÁŇA, Petr, Dušan PAVLŮ and ET AL. Jak získat nové zákazníky – Direct marketing v teorii a praxi. 2nd ed. Praha: OMEGA, 2006, 128 pp. ISBN 80-903726-1-9.
Literature, mass media, audio-visual activities. Czech. Czech Republic. Changed by: Helena Sýkorová, učo 16369. Changed: 26/1/2010 10:52.