fedorowicz, z. (1964). financial machanism of a socialist economy: On poland's example. the institute of national planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)fedorowicz, z. Financial Machanism of a Socialist Economy: On Poland's Example. cairo: the institute of national planning, 1964.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)fedorowicz, z. Financial Machanism of a Socialist Economy: On Poland's Example. the institute of national planning, 1964.