Olsen. European Air Power. University of Nebraska Press.
芝加哥风格引文Olsen. European Air Power. University of Nebraska Press.
MLA引文Olsen. European Air Power. University of Nebraska Press.
警告：这些引文格式不一定是100％准确.
APA引文
Olsen. European Air Power. University of Nebraska Press.
芝加哥风格引文Olsen. European Air Power. University of Nebraska Press.
MLA引文Olsen. European Air Power. University of Nebraska Press.