Klotz, J. M. (1998). International Sales Agreements An Annotated Drafting And Negotiating Guide James M. Klotz, John A. Barrett. Kluwer Law International.
Lua i Stíl Chicago (17ú heag.)Klotz, James M. International Sales Agreements An Annotated Drafting And Negotiating Guide James M. Klotz, John A. Barrett. Kluwer Law International, 1998.
Lua MLA (8ú heag.)Klotz, James M. International Sales Agreements An Annotated Drafting And Negotiating Guide James M. Klotz, John A. Barrett. Kluwer Law International, 1998.
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