Knowles, L. (1932). Economic development in the 19th centuary; France, Germany, Russia and the U.S.A. Kegan Paul.
استشهاد بنمط شيكاغوKnowles, L.C.A. Economic Development in the 19th Centuary; France, Germany, Russia and the U.S.A. Kegan Paul, 1932.
MLA استشهادKnowles, L.C.A. Economic Development in the 19th Centuary; France, Germany, Russia and the U.S.A. Kegan Paul, 1932.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.