A Short Course in International Payments describes how to use letters of credit and documentary collections, how to grant and obtain credit, and how to use cyberpayments in international trade. The book also has an excellent section on trade documentation

Intro -- Introduction -- Acknowledgments -- Table of Contents -- 1 Key Issues in International Payments -- 2 Introducing the Buyer and the Seller -- 3 Introducing the Basic Terms of Payment -- 4 Foreign Exchange Basics -- 5 Contract Basics -- 6 Incoterms 2000 -- 7 Notes on Granting and Obtaining...