Philadelphia. Temple University. Committee for Urban Studies, Philadelphia. Temple University. Center for the Study of Federalism, Davis, A. F., & Haller, M. H. (1973). The Peoples of Philadelphia: A history of ethnic groups and lower-class life, 1790-1940. Temple University Press.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Philadelphia. Temple University. Committee for Urban Studies, Philadelphia. Temple University. Center for the Study of Federalism, Allen Freeman Davis, và Mark Hughlin Haller. The Peoples of Philadelphia: A History of Ethnic Groups and Lower-class Life, 1790-1940. Philadelphia: Temple University Press, 1973.
Trích dẫn kiểu MLA (xuất bản lần thứ 9)Philadelphia. Temple University. Committee for Urban Studies, et al. The Peoples of Philadelphia: A History of Ethnic Groups and Lower-class Life, 1790-1940. Temple University Press, 1973.