Lua APA (7ú heag.)
Cole, R. H., & Mishler, L. (1998). Consumer and business credit management (11th ed.). Irwin/McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)
Cole, Robert Hartzell, agus Lon Mishler. Consumer and Business Credit Management. 11th ed. Boston, Mass.: Irwin/McGraw-Hill, 1998.
Lua MLA (9ú heag.)
Cole, Robert Hartzell, agus Lon Mishler. Consumer and Business Credit Management. 11th ed. Irwin/McGraw-Hill, 1998.
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