APA (7 वां संस्करण) प्रशस्ति पत्र
Hansen, J., Barner, K., & Clevenger, D. (2016). Procurement at a crossroads: Career-impacting insights into a rapidly changing industry. J. Ross Publishing.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Hansen, Jon, Kelly Barner, और David Clevenger. Procurement at a Crossroads: Career-impacting Insights into a Rapidly Changing Industry. Plantation, Florida: J. Ross Publishing, 2016.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Hansen, Jon, et al. Procurement at a Crossroads: Career-impacting Insights into a Rapidly Changing Industry. J. Ross Publishing, 2016.
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