Larson, R. E., & Roland E. Larson; Robert P. Hostetler; with the assistance of David E. Heyd. (2007). Trigonometry. Boston, MA: Houghton Mifflin Company.
Trích dẫn kiểu ChicagoLarson, Roland E., và Roland E. Larson; Robert P. Hostetler; with the assistance of David E. Heyd. Trigonometry. Boston, MA: Houghton Mifflin Company, 2007.
Deismireacht MLALarson, Roland E., và Roland E. Larson; Robert P. Hostetler; with the assistance of David E. Heyd. Trigonometry. Boston, MA: Houghton Mifflin Company, 2007.
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