APA

Tunkin G I,, . (1986). International law : A text book. Moscow: Progress Publishers.

Chicago

Tunkin G I,, . 1986. International law : A text book. Moscow: Progress Publishers.

Harvard

Tunkin G I,, . (1986). International law : A text book. Moscow: Progress Publishers.

MLA

Tunkin G I,, . International law : A text book. Moscow: Progress Publishers. 1986.