Knauthe, h. E. (1967). The Impact of Licences Loans and Foreign Trade on Industrialization. The Institute of National Planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Knauthe, habil Erhart. The Impact of Licences Loans and Foreign Trade on Industrialization. Cairo: The Institute of National Planning, 1967.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Knauthe, habil Erhart. The Impact of Licences Loans and Foreign Trade on Industrialization. The Institute of National Planning, 1967.