1943, H., K., (., 1934, P., A., (., W.(1992).Introductory mathematics for economic and business / K. Holden, A.W. Pearson (Ed.ke-2).:Macmillan.
Gaya MLA
1943, Holden, K., (Kenneth),., Pearson, A.W., (Alan, Wilfred),, 1934."Introductory mathematics for economic and business / K. Holden, A.W. Pearson".Ed.ke-2:Macmillan,1992.Textbook.