Houle. A Generous Nature. Oregon State University Press.
芝加哥风格引文Houle. A Generous Nature. Oregon State University Press.
MLA引文Houle. A Generous Nature. Oregon State University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Houle. A Generous Nature. Oregon State University Press.
芝加哥风格引文Houle. A Generous Nature. Oregon State University Press.
MLA引文Houle. A Generous Nature. Oregon State University Press.