APA način citiranja

Lewis, W. (1969). Principles of Economic Planning (3rd Ed.). George Allen & Unwin.

Čikaški stil citiranja

Lewis, W.Arthur. Principles of Economic Planning. 3rd Ed. Bombay: George Allen & Unwin, 1969.

MLA način citiranja

Lewis, W.Arthur. Principles of Economic Planning. 3rd Ed. George Allen & Unwin, 1969.

Upozorenje: Ovi citati možda nisu uvijek 100% točni.