APA-viite

Lewis, A. (1949). Principles of economic planning: A study of prepared for the Fabians society.

Chicago-tyylinen lähdeviittaus

Lewis, Arthur. Principles of Economic Planning: A Study of Prepared for the Fabians Society. George Allen & Unwin Ltd., London, 1949.

MLA-viite

Lewis, Arthur. Principles of Economic Planning: A Study of Prepared for the Fabians Society. 1949.