Pellett. Whaleback Ships and the American Steel Barge Company. Wayne State University Press.
芝加哥风格引文Pellett. Whaleback Ships and the American Steel Barge Company. Wayne State University Press.
MLA引文Pellett. Whaleback Ships and the American Steel Barge Company. Wayne State University Press.
警告：这些引文格式不一定是100％准确.