Sparks, F. W., & Rees, P. K. (1958). Plane trigonometry (3rd ed.).
Chicago Edition CitationSparks, Fred W., and Paul K. Rees. Plane Trigonometry. 3rd ed. 1958.
MLA引文Sparks, Fred W., and Paul K. Rees. Plane Trigonometry. 3rd ed. 1958.
警告:這些引文格式不一定是100%准確.