kazgan, g. (1962). liquidity preference and capital formation in under development countries. the institute of national planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)kazgan, gulten. Liquidity Preference and Capital Formation in Under Development Countries. cairo: the institute of national planning, 1962.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)kazgan, gulten. Liquidity Preference and Capital Formation in Under Development Countries. the institute of national planning, 1962.