APA

Hamilton L., Webster P., . (2012). The international business environment. New York: Oxford University Press.

Chicago

Hamilton Leslie, Webster Philip, . 2012. The international business environment. New York: Oxford University Press.

Harvard

Hamilton L., Webster P., . (2012). The international business environment. New York: Oxford University Press.

MLA

Hamilton Leslie, Webster Philip, . The international business environment. New York: Oxford University Press. 2012.