James, P., F., T, F., G.(1995).Undersatanding cash flow / Franklin James Plewa, George T. Friedlob .New York:John Wiley n Sons.
Gaya MLA
Plewa, Franklin, James., Friedlob, Geogre, T."Undersatanding cash flow / Franklin James Plewa, George T. Friedlob".New York:John Wiley n Sons,1995.Textbook.