Huettenmueller, R. (2005). Precalculus demystified. McGraw-Hill.
Chicago Style aipamenaHuettenmueller, Rhonda. Precalculus Demystified. New York: McGraw-Hill, 2005.
MLA aipamenaHuettenmueller, Rhonda. Precalculus Demystified. McGraw-Hill, 2005.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.