Sapadin, L. (2004). Master your fears: How to triumph over your worries and get on with your life. Hoboken, N.J: John Wiley & Sons.
Chicago-tyylinen lähdeviittausSapadin, Linda. Master Your Fears: How to Triumph Over Your Worries and Get On With Your Life. Hoboken, N.J: John Wiley & Sons, 2004.
MLA-viiteSapadin, Linda. Master Your Fears: How to Triumph Over Your Worries and Get On With Your Life. Hoboken, N.J: John Wiley & Sons, 2004.
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