Ryan, M. (1993). Prentice Hall advanced mathematics: A precalculus approach. Prentice Hall.
Chicago Style aipamenaRyan, Merilyn. Prentice Hall Advanced Mathematics: A Precalculus Approach. Englewood Cliffs, N. J: Prentice Hall, 1993.
MLA aipamenaRyan, Merilyn. Prentice Hall Advanced Mathematics: A Precalculus Approach. Prentice Hall, 1993.
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