APA استشهاد

Lewis,Ben W. (1952). British planning and nationalization. The Twentieth Century Fund.

استشهاد بنمط شيكاغو

Lewis,Ben W. British Planning and Nationalization. New York: The Twentieth Century Fund, 1952.

MLA استشهاد

Lewis,Ben W. British Planning and Nationalization. The Twentieth Century Fund, 1952.