Ryan, J. W., & Stouffer, S. A. (2013). Samuel Stouffer and the GI survey: Sociologists and soldiers during the Second World War (First edition.). University of Tennessee Press.

Ryan, Joseph W., and Samuel A. Stouffer. Samuel Stouffer and the GI Survey: Sociologists and Soldiers During the Second World War. First edition. Knoxville: University of Tennessee Press, 2013.

Ryan, Joseph W., and Samuel A. Stouffer. Samuel Stouffer and the GI Survey: Sociologists and Soldiers During the Second World War. First edition. University of Tennessee Press, 2013.