Fforde, J. S. (1957). An international trade in managerial skills: Being an inquiry into the provision of certain British managerial and technical services for the operation of industrial enterprise in underdeveloped countries. B. Blackwell.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Fforde, John Standish. An International Trade in Managerial Skills: Being an Inquiry into the Provision of Certain British Managerial and Technical Services for the Operation of Industrial Enterprise in Underdeveloped Countries. Oxford: B. Blackwell, 1957.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Fforde, John Standish. An International Trade in Managerial Skills: Being an Inquiry into the Provision of Certain British Managerial and Technical Services for the Operation of Industrial Enterprise in Underdeveloped Countries. B. Blackwell, 1957.