Roland, J. (2020). Careers if you like problem solving. ReferencePoint Press, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रRoland, James. Careers If You like Problem Solving. San Diego, CA: ReferencePoint Press, Inc., 2020.
एमएलए (8वां संस्करण) प्रशस्ति पत्रRoland, James. Careers If You like Problem Solving. ReferencePoint Press, Inc., 2020.
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