APA استشهاد

Frisch, R. (1961). Economic Planning and the Growth Problem in Developing Countries. Oslo: Institute of Economics.

استشهاد بنمط شيكاغو

Frisch, Ragnar. Economic Planning and the Growth Problem in Developing Countries. Oslo: Institute of Economics, 1961.

MLA استشهاد

Frisch, Ragnar. Economic Planning and the Growth Problem in Developing Countries. Oslo: Institute of Economics, 1961.

تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.