Kimasha, R. G. (1981). Commercial arithmetic and business mathematics. University of Dar es salaam.
Citazione stile Chigago Style (17a edizione)Kimasha, Rwezaula G.F. Commercial Arithmetic and Business Mathematics. Dar es salaam: University of Dar es salaam, 1981.
Citatione MLA (9a ed.)Kimasha, Rwezaula G.F. Commercial Arithmetic and Business Mathematics. University of Dar es salaam, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.