APA-viite (7. p.)
Oser, D. (2008). The UNIDROIT principles of international commercial contracts: A governing law? Martinus Nijhoff Publishers.
Chicago-viite (17. p.)
Oser, David. The UNIDROIT Principles of International Commercial Contracts: A Governing Law? Leiden: Martinus Nijhoff Publishers, 2008.
MLA-viite (9. p.)
Oser, David. The UNIDROIT Principles of International Commercial Contracts: A Governing Law? Martinus Nijhoff Publishers, 2008.
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