Wright, T., Corbett, D. S., & McWilliams, C. (1996). Pioneer life in western Pennsylvania. University of Pittsburgh Press.
Lua i Stíl Chicago (17ú heag.)Wright, Ted, Doris S. Corbett, agus Clarence McWilliams. Pioneer Life in Western Pennsylvania. Pittsburgh, [Pennsylvania] ; London, [England]: University of Pittsburgh Press, 1996.
Lua MLA (9ú heag.)Wright, Ted, et al. Pioneer Life in Western Pennsylvania. University of Pittsburgh Press, 1996.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.