Hedges, R. (1994). Managing credit: How to master the basic skills of credit control (Deluxe ed.). Grolier International.
Chicago-viite (17. p.)Hedges, Roy. Managing Credit: How to Master the Basic Skills of Credit Control. Deluxe ed. Hongkong: Grolier International, 1994.
MLA-viite (9. p.)Hedges, Roy. Managing Credit: How to Master the Basic Skills of Credit Control. Deluxe ed. Grolier International, 1994.
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