Heyman, J. H. (2008). All you need is a good idea!: How to create marketing messages that actually get results. Hoboken, N.J: Wiley.
Chicago-tyylinen lähdeviittausHeyman, Jay H. All You Need Is a Good Idea!: How to Create Marketing Messages That Actually Get Results. Hoboken, N.J: Wiley, 2008.
MLA-viiteHeyman, Jay H. All You Need Is a Good Idea!: How to Create Marketing Messages That Actually Get Results. Hoboken, N.J: Wiley, 2008.
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