Kalt, N. (1971). Legal aspects of hotel, motel, and restaurant operation. ITT Educational Services.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKalt, Nathan. Legal Aspects of Hotel, Motel, and Restaurant Operation. New York,: ITT Educational Services, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रKalt, Nathan. Legal Aspects of Hotel, Motel, and Restaurant Operation. ITT Educational Services, 1971.
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