Powell, M., & Mark Powell. (2009). In company. Oxford [England]: Macmillan Education.
Čikaški stil citiranjaPowell, Mark, i Mark Powell. In Company. Oxford [England]: Macmillan Education, 2009.
MLA način citiranjaPowell, Mark, i Mark Powell. In Company. Oxford [England]: Macmillan Education, 2009.
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