Kimasha, R. G. (1981). Commercial arithmetic and business mathematics. University of Dar es salaam.
芝加哥风格引文Kimasha, Rwezaula G.F. Commercial Arithmetic and Business Mathematics. Dar es salaam: University of Dar es salaam, 1981.
MLA引文Kimasha, Rwezaula G.F. Commercial Arithmetic and Business Mathematics. University of Dar es salaam, 1981.
警告：这些引文格式不一定是100％准确.