Hopper. Ready for Air. University of Minnesota Press.
芝加哥风格引文Hopper. Ready for Air. University of Minnesota Press.
MLA引文Hopper. Ready for Air. University of Minnesota Press.
警告：这些引文格式不一定是100％准确.
APA引文
Hopper. Ready for Air. University of Minnesota Press.
芝加哥风格引文Hopper. Ready for Air. University of Minnesota Press.
MLA引文Hopper. Ready for Air. University of Minnesota Press.