fedorowizcs, z. (1966). new elements in financing investments in socialist countries. the institute of national planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)fedorowizcs, zdzislaw. New Elements in Financing Investments in Socialist Countries. cairo: the institute of national planning, 1966.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)fedorowizcs, zdzislaw. New Elements in Financing Investments in Socialist Countries. the institute of national planning, 1966.