Frankel, R. P. (2007). Observing America: The commentary of British visitors to the United States, 1890-1950. University of Wisconsin Press.
Chicagoスタイル(17版)引用形式Frankel, Robert Perry. Observing America: The Commentary of British Visitors to the United States, 1890-1950. Madison, Wis.: University of Wisconsin Press, 2007.
MLA(9版)引用形式Frankel, Robert Perry. Observing America: The Commentary of British Visitors to the United States, 1890-1950. University of Wisconsin Press, 2007.
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