CYNTHIAL SHAMEL. (2004). INTRODUCTION TO ONLINE MARKET & INDUSTRY RESEARCH. THOMSON.
Čikaški stil citiranja (17. izdanje)CYNTHIAL SHAMEL. INTRODUCTION TO ONLINE MARKET & INDUSTRY RESEARCH. AUSTRALIA: THOMSON, 2004.
MLA način citiranja (9. izdanje)CYNTHIAL SHAMEL. INTRODUCTION TO ONLINE MARKET & INDUSTRY RESEARCH. THOMSON, 2004.
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