Charles, V., E., E., S., L.(1990).Finite mathematics / Lawrence E. Spence, Charles Vander Eyden, Daniel Gallin .Glenview, Ill.:Scott, Foresman/Little, Brown Higher Education.
Gaya MLA
Charles, Vander, Eyden,., Spence, Lawrence, E.."Finite mathematics / Lawrence E. Spence, Charles Vander Eyden, Daniel Gallin".Glenview, Ill.:Scott, Foresman/Little, Brown Higher Education,1990.Textbook.