APA
Werle G., . (2009). Principles of international criminal law. The Hague: T. M. C. Asser Press.
Chicago
Werle Gerhard, . 2009. Principles of international criminal law. The Hague: T. M. C. Asser Press.
Harvard
Werle G., . (2009). Principles of international criminal law. The Hague: T. M. C. Asser Press.
MLA
Werle Gerhard, . Principles of international criminal law. The Hague: T. M. C. Asser Press. 2009.