Dyfyniad APA

Levens, M. (2009). Marketingdefined, explained, applied. Pearson.

Dyfyniad Arddull Chicago

Levens, Michael. Marketingdefined, Explained, Applied. Pearson, 2009.

Dyfyniad MLA

Levens, Michael. Marketingdefined, Explained, Applied. Pearson, 2009.

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