Schulmeister, D. (1971). The Institutional Framework of Socialist Foreign Trade Planning and the Way of Drawing up the Plan. The Institute of National Planning.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schulmeister, Dieter. The Institutional Framework of Socialist Foreign Trade Planning and the Way of Drawing Up the Plan. Cairo: The Institute of National Planning, 1971.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Schulmeister, Dieter. The Institutional Framework of Socialist Foreign Trade Planning and the Way of Drawing Up the Plan. The Institute of National Planning, 1971.