Aborda os princípios Unidroit.

1. The Unidroit Principles: an indispensable tool for business -- 2. Incorporation of the Unidroit Principles in model contracts -- 3. Different ways of incorporating the Principles in a contract -- 3.1 Incorporation within a specific national law -- 3.2 Incorporation as trade usage -- 3.3 Incorporation of the Principles as the governing law of the contract -- 4. The model contracts which make reference to the Principles -- 4.1 The ICC models -- 4.2 The ITC models -- 5. Conclusions