Brookings Institution, Washington, D.C. Committee on Training, & Swann, W. F. G. (1968). Essays on research in the social sciences: Papers presented in a general seminar conducted by the Committee on Training of the Brookings Institution, 1930-31. Kennikat Press.
Chicago Style (17. basım) AtıfBrookings Institution, Washington, D.C. Committee on Training, ve William Francis Gray Swann. Essays on Research in the Social Sciences: Papers Presented in a General Seminar Conducted by the Committee on Training of the Brookings Institution, 1930-31. Port Washington, N.Y: Kennikat Press, 1968.
MLA (9th ed.) AtıfBrookings Institution, Washington, D.C. Committee on Training, ve William Francis Gray Swann. Essays on Research in the Social Sciences: Papers Presented in a General Seminar Conducted by the Committee on Training of the Brookings Institution, 1930-31. Kennikat Press, 1968.