BROWN TIM. (2009). CHANGE BY DESIGN. IMPRINT OF HARPER COLLINS PUBLISHER.
Čikaški stil citiranja (17. izdanje)BROWN TIM. CHANGE BY DESIGN. IMPRINT OF HARPER COLLINS PUBLISHER, 2009.
MLA način citiranja (9. izdanje)BROWN TIM. CHANGE BY DESIGN. IMPRINT OF HARPER COLLINS PUBLISHER, 2009.
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