Norwood. Gravel and Hawk. Ohio University Press.
芝加哥风格引文Norwood. Gravel and Hawk. Ohio University Press.
MLA引文Norwood. Gravel and Hawk. Ohio University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Norwood. Gravel and Hawk. Ohio University Press.
芝加哥风格引文Norwood. Gravel and Hawk. Ohio University Press.
MLA引文Norwood. Gravel and Hawk. Ohio University Press.