Hirsch, C. R. ;. S. (1990). Trigonometry and it's applications. Glenoe / McGraw-Hill.
Chicago Style (17th ed.) CitationHirsch, Christian R. ; Schoen. Trigonometry and It's Applications. Missions Hill, Calif.: Glenoe / McGraw-Hill, 1990.
MLA (9th ed.) CitationHirsch, Christian R. ; Schoen. Trigonometry and It's Applications. Glenoe / McGraw-Hill, 1990.
Warning: These citations may not always be 100% accurate.