Spagna. Test Ride on the Sunnyland Bus. University of Nebraska Press.
芝加哥风格引文Spagna. Test Ride on the Sunnyland Bus. University of Nebraska Press.
MLA引文Spagna. Test Ride on the Sunnyland Bus. University of Nebraska Press.
警告：这些引文格式不一定是100％准确.
APA引文