Broten, P. R. (1965). Buying the job: How to deal with contractors. School of Hotel Administrattion, Cornell University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रBroten, Paul R. Buying the Job: How to Deal with Contractors. Ithaca, N.Y: School of Hotel Administrattion, Cornell University, 1965.
एमएलए (9वां संस्करण) प्रशस्ति पत्रBroten, Paul R. Buying the Job: How to Deal with Contractors. School of Hotel Administrattion, Cornell University, 1965.
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