APA (7e ed.) Bronvermelding

Singer, H. W. (1962). Recent trends in economic thought on underdeveloped countries. Research and Statistical Section, Economic Branch, Ministry of Finance and Economics.

Chicago (17e ed.) Bronvermelding

Singer, Hans Wolfgang. Recent Trends in Economic Thought on Underdeveloped Countries. Khartoum: Research and Statistical Section, Economic Branch, Ministry of Finance and Economics, 1962.

MLA (9e ed.) Bronvermelding

Singer, Hans Wolfgang. Recent Trends in Economic Thought on Underdeveloped Countries. Research and Statistical Section, Economic Branch, Ministry of Finance and Economics, 1962.