Hedges, R. (2000). Collecting a debt: How to enforce payment of money owed to you (Deluxe ed.). Grolier International Inc.
Chicago-viite (17. p.)Hedges, Roy. Collecting a Debt: How to Enforce Payment of Money Owed to You. Deluxe ed. Wanchai, Hong Kong: Grolier International Inc, 2000.
MLA-viite (9. p.)Hedges, Roy. Collecting a Debt: How to Enforce Payment of Money Owed to You. Deluxe ed. Grolier International Inc, 2000.
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