Chowdhury, T. N., & Ahmed, R. (2012). Marketing promotional strategies of GlaxoSmithKline Bangladesh Ltd. STIEFEL skin products. BRAC University.
Čikaški stil citiranja (17. izdanje)Chowdhury, Tazreen Nazim, i Rahnuma Ahmed. Marketing Promotional Strategies of GlaxoSmithKline Bangladesh Ltd. STIEFEL Skin Products. BRAC University, 2012.
MLA način citiranja (8. izdanje)Chowdhury, Tazreen Nazim, i Rahnuma Ahmed. Marketing Promotional Strategies of GlaxoSmithKline Bangladesh Ltd. STIEFEL Skin Products. BRAC University, 2012.
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