Heineman, E. R., & Tarwater, J. D. (1993). Plane Trigonometry (seventh edition.). McGraw-Hill, Inc.
Chicago Style (17th ed.) CitationHeineman, E. Richard, and J. Dalton Tarwater. Plane Trigonometry. seventh edition. New York, EEUU: McGraw-Hill, Inc, 1993.
MLA (9th ed.) CitationHeineman, E. Richard, and J. Dalton Tarwater. Plane Trigonometry. seventh edition. McGraw-Hill, Inc, 1993.
Warning: These citations may not always be 100% accurate.