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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Philadelphia. Temple University. Committee for Urban Studies, Philadelphia. Temple University. Center for the Study of Federalism, Allen Freeman Davis, و Mark Hughlin Haller. The Peoples of Philadelphia: A History of Ethnic Groups and Lower-class Life, 1790-1940. Philadelphia: Temple University Press, 1973.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)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.