APA引文

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

Chicago Edition Citation

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

MLA引文

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

警告：這些引文格式不一定是100％准確.