REIDENBACH, R. E., & GRUBBS, M. R. (1987). Developing new banking products: A manager's guide. Prentice-Hall.
Lua i Stíl Chicago (17ú heag.)REIDENBACH, R. Eric, agus M. Ray GRUBBS. Developing New Banking Products: A Manager's Guide. Englewood Cliffs: Prentice-Hall, 1987.
Lua MLA (9ú heag.)REIDENBACH, R. Eric, agus M. Ray GRUBBS. Developing New Banking Products: A Manager's Guide. Prentice-Hall, 1987.
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