Style de citation APA (7e éd.)

Lewis, W. A. (1969). Some aspects of economic development. University of Ghana by the Ghana Pub. Corp.

Style de citation Chicago (17e éd.)

Lewis, William Arthur. Some Aspects of Economic Development. [Accra]: University of Ghana by the Ghana Pub. Corp, 1969.

Style de citation MLA (9e éd.)

Lewis, William Arthur. Some Aspects of Economic Development. University of Ghana by the Ghana Pub. Corp, 1969.