APA
Keefe Rober O,, . (2015). International criminal law. Oxford: Oxford University Press.
Chicago
Keefe Rober O,, . 2015. International criminal law. Oxford: Oxford University Press.
Harvard
Keefe Rober O,, . (2015). International criminal law. Oxford: Oxford University Press.
MLA
Keefe Rober O,, . International criminal law. Oxford: Oxford University Press. 2015.