APA

HILL R. L., . (1964). Historical writing in the Sudan since 1820. Londres: Oxford University Press.

Chicago

HILL Richard Leslie, . 1964. Historical writing in the Sudan since 1820. Londres: Oxford University Press.

Harvard

HILL R. L., . (1964). Historical writing in the Sudan since 1820. Londres: Oxford University Press.

MLA

HILL Richard Leslie, . Historical writing in the Sudan since 1820. Londres: Oxford University Press. 1964.