Christian Education. Penn State University Press.
芝加哥风格引文Christian Education. Penn State University Press.
MLA引文Christian Education. Penn State University Press.
警告：这些引文格式不一定是100％准确.
APA引文
Christian Education. Penn State University Press.
芝加哥风格引文Christian Education. Penn State University Press.
MLA引文Christian Education. Penn State University Press.