Dyfyniad APA

Craig, C. S., & Douglas, S. P. (2000). International marketing research (2nd ed.). John Wiley & Sons.

Dyfyniad Arddull Chicago

Craig, C. Samuel, and Susan P. Douglas. International Marketing Research. 2nd ed. Chichester: John Wiley & Sons, 2000.

Dyfyniad MLA

Craig, C. Samuel, and Susan P. Douglas. International Marketing Research. 2nd ed. John Wiley & Sons, 2000.

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