Wells, D., & Tilson, L. S. (1997). College algebra: A view of the world around us. Prentice-Hall.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWells, David, और Lynn Schmitt Tilson. College Algebra: A View of the World Around Us. New Jersey: Prentice-Hall, 1997.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWells, David, और Lynn Schmitt Tilson. College Algebra: A View of the World Around Us. Prentice-Hall, 1997.
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