Lewis,W Arthur. (1949). Principles of economic planning: A study prepared for the Fabian society. George Allen & Habour.
استشهاد بنمط شيكاغوLewis,W Arthur. Principles of Economic Planning: A Study Prepared for the Fabian Society. Bombay: George Allen & Habour, 1949.
MLA استشهادLewis,W Arthur. Principles of Economic Planning: A Study Prepared for the Fabian Society. George Allen & Habour, 1949.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.