Borcharat, W. G. . .., & Perott, A. D. . .. (1960). New trigonometry for schools (1.). G Bell and sons Ltd.
Chicago Edition CitationBorcharat, W G ., and A D. Perott. New Trigonometry for Schools. 1. London: G Bell and sons Ltd, 1960.
MLA Edition CitationBorcharat, W G ., and A D. Perott. New Trigonometry for Schools. 1. G Bell and sons Ltd, 1960.
Warning: These citations may not always be 100% accurate.