Gaya APA

C.K, J, Y. (1961). Enterprise and Anthracite : Economics and Democrary in Schuylkill County, 1820-1875 . : The Johns Hopkins Press.

Gaya MLA

C.K, Jr, Yearley,. "Enterprise and Anthracite : Economics and Democrary in Schuylkill County, 1820-1875". : The Johns Hopkins Press, 1961. Text.