Deismireacht APA

Ries, A. (1993). The 22 immutable laws of marketing. New York: Harper Business.

Trích dẫn kiểu Chicago

Ries, Al. The 22 Immutable Laws of Marketing. New York: Harper Business, 1993.

Deismireacht MLA

Ries, Al. The 22 Immutable Laws of Marketing. New York: Harper Business, 1993.

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