Pearson. Saving Grand Canyon. University of Nevada Press.
芝加哥风格引文Pearson. Saving Grand Canyon. University of Nevada Press.
MLA引文Pearson. Saving Grand Canyon. University of Nevada Press.
警告：这些引文格式不一定是100％准确.
APA引文
Pearson. Saving Grand Canyon. University of Nevada Press.
芝加哥风格引文Pearson. Saving Grand Canyon. University of Nevada Press.
MLA引文Pearson. Saving Grand Canyon. University of Nevada Press.