Hibbard. Toward One Oregon. Oregon State University Press.
芝加哥风格引文Hibbard. Toward One Oregon. Oregon State University Press.
MLA引文Hibbard. Toward One Oregon. Oregon State University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Hibbard. Toward One Oregon. Oregon State University Press.
芝加哥风格引文Hibbard. Toward One Oregon. Oregon State University Press.
MLA引文Hibbard. Toward One Oregon. Oregon State University Press.