APA

Clark Ian,, . (1997). Globalization and fragmentation international relations in the twentieth century. Oxford: Oxford University Press.

Chicago

Clark Ian,, . 1997. Globalization and fragmentation international relations in the twentieth century. Oxford: Oxford University Press.

Harvard

Clark Ian,, . (1997). Globalization and fragmentation international relations in the twentieth century. Oxford: Oxford University Press.

MLA

Clark Ian,, . Globalization and fragmentation international relations in the twentieth century. Oxford: Oxford University Press. 1997.