Wells, H. (1969). The modernization of Puerto Rico: A political study of changing values and institutions. Harvard University Press.
Chicago-referens (17:e uppl.)Wells, Henry. The Modernization of Puerto Rico: A Political Study of Changing Values and Institutions. Cambridge, Mass: Harvard University Press, 1969.
MLA-referens (9:e uppl.)Wells, Henry. The Modernization of Puerto Rico: A Political Study of Changing Values and Institutions. Harvard University Press, 1969.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.