APA-referens (7:e uppl.)
Du Bry, T. (2007). Immigrants, settlers, and laborers: The socioeconomic transformation of a farming community. LFB Scholarly Pub. LLC.
Chicago-referens (17:e uppl.)
Du Bry, Travis. Immigrants, Settlers, and Laborers: The Socioeconomic Transformation of a Farming Community. New York: LFB Scholarly Pub. LLC, 2007.
MLA-referens (9:e uppl.)
Du Bry, Travis. Immigrants, Settlers, and Laborers: The Socioeconomic Transformation of a Farming Community. LFB Scholarly Pub. LLC, 2007.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.