LeFever, L. (2013). Art of explanation: Making your ideas, products, and services easier to understand. John Wiley & Sons.
Chicago-viite (17. p.)LeFever, Lee. Art of Explanation: Making Your Ideas, Products, and Services Easier to Understand. Hoboken, N.J: John Wiley & Sons, 2013.
MLA-viite (9. p.)LeFever, Lee. Art of Explanation: Making Your Ideas, Products, and Services Easier to Understand. John Wiley & Sons, 2013.
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