APA

brigs a., . (1992). A Dictionary of twentieth century history. New York: Oxford University Press.

Chicago

brigs asa, . 1992. A Dictionary of twentieth century history. New York: Oxford University Press.

Harvard

brigs a., . (1992). A Dictionary of twentieth century history. New York: Oxford University Press.

MLA

brigs asa, . A Dictionary of twentieth century history. New York: Oxford University Press. 1992.