Long, L. (2016). Painless algebra (Fourth edition.). Barrons Educational Series, Inc..
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रLong, Lynette. Painless Algebra. Fourth edition. Hauppauge, New York: Barrons Educational Series, Inc., 2016.
एमएलए (8वां संस्करण) प्रशस्ति पत्रLong, Lynette. Painless Algebra. Fourth edition. Barrons Educational Series, Inc., 2016.
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