Callahan, J. (1975). The immigrants, 1788-1850. Visair Educational.
芝加哥风格引文Callahan, Joan. The Immigrants, 1788-1850. Melbourne: Visair Educational, 1975.
MLA引文Callahan, Joan. The Immigrants, 1788-1850. Visair Educational, 1975.
警告：这些引文格式不一定是100％准确.