APA
Brownlie Ian,, . (2003). Principles of public international law. New Delhi: Oxford University Press.
Chicago
Brownlie Ian,, . 2003. Principles of public international law. New Delhi: Oxford University Press.
Harvard
Brownlie Ian,, . (2003). Principles of public international law. New Delhi: Oxford University Press.
MLA
Brownlie Ian,, . Principles of public international law. New Delhi: Oxford University Press. 2003.