Ireland, R. M. (1977). Little kingdoms: The counties of Kentucky, 1850-1891. The University of Kentucky Press.
芝加哥风格引文Ireland, Robert M. Little Kingdoms: The Counties of Kentucky, 1850-1891. Lexington, Kentucky: The University of Kentucky Press, 1977.
MLA引文Ireland, Robert M. Little Kingdoms: The Counties of Kentucky, 1850-1891. The University of Kentucky Press, 1977.
警告:这些引文格式不一定是100%准确.