Zuelke, D. C. (1996). Educational private practice: Your opportunities in the changing education marketplace. Techno-mic Publishing CO.,INC..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रZuelke, Dennis C. Educational Private Practice: Your Opportunities in the Changing Education Marketplace. Lancaster: Techno-mic Publishing CO.,INC., 1996.
एमएलए (9वां संस्करण) प्रशस्ति पत्रZuelke, Dennis C. Educational Private Practice: Your Opportunities in the Changing Education Marketplace. Techno-mic Publishing CO.,INC., 1996.
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