E., S., L. et al.(1990).Applied mathematics for the management life, and social sciences / Lawrence E. Spence, charles Vanden Eyden, Daniel Gallin .Glenview, Ill.:Scott, Foresman.
Gaya MLA
Spence, Lawrence, E.. et al."Applied mathematics for the management life, and social sciences / Lawrence E. Spence, charles Vanden Eyden, Daniel Gallin".Glenview, Ill.:Scott, Foresman,1990.Textbook.