Schaufele, C., & Zumoff, N. (1995). Earth algebra: College algebra with applicationns environmental issues (1a. ed.). New York: Harper Collins Publishers.
Citación estilo ChicagoSchaufele, C., y N. Zumoff. Earth Algebra: College Algebra With Applicationns Environmental Issues. 1a. ed. New York: Harper Collins Publishers, 1995.
Cita MLASchaufele, C., y N. Zumoff. Earth Algebra: College Algebra With Applicationns Environmental Issues. 1a. ed. New York: Harper Collins Publishers, 1995.
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