Ryan, M. (1993). Prentice Hall advanced mathematics: A precalculus approach. Prentice Hall.
Cita Chicago Style (17a ed.)Ryan, Merilyn. Prentice Hall Advanced Mathematics: A Precalculus Approach. Englewood Cliffs, N. J: Prentice Hall, 1993.
Cita MLA (9a ed.)Ryan, Merilyn. Prentice Hall Advanced Mathematics: A Precalculus Approach. Prentice Hall, 1993.
Precaución: Estas citas no son 100% exactas.