Heyman, J. H. (2008). All you need is a good idea!: How to create marketing messages that actually get results. John Wiley & Sons, Inc.
Παραπομπή Chicago StyleHeyman, Jay H. All You Need Is a Good Idea!: How to Create Marketing Messages That Actually Get Results. John Wiley & Sons, Inc, 2008.
Παραπομπή MLAHeyman, Jay H. All You Need Is a Good Idea!: How to Create Marketing Messages That Actually Get Results. John Wiley & Sons, Inc, 2008.
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