Steele, D. (2012). The million dollar private practice: Using your expertise to build a practice that makes a difference. John Wiley & Sons. https://doi.org/10.1002/9781118089989
Παραπομπή σε μορφή Chicago (17η εκδ.)Steele, David. The Million Dollar Private Practice: Using Your Expertise to Build a Practice That Makes a Difference. Hoboken, N.J.: John Wiley & Sons, 2012. https://doi.org/10.1002/9781118089989.
Παραπομπή σε μορφή MLA (8th εκδ.)Steele, David. The Million Dollar Private Practice: Using Your Expertise to Build a Practice That Makes a Difference. John Wiley & Sons, 2012. https://doi.org/10.1002/9781118089989.
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