Collins, R. K. L., & Chaltain, S. (2011). We must not be afraid to be free: Stories of free expression in America. Oxford University Press.
Chicagoスタイル(17版)引用形式Collins, Ronald K. L., , Sam Chaltain. We Must Not Be Afraid to Be Free: Stories of Free Expression in America. Oxford [U.K.] ; New York: Oxford University Press, 2011.
MLA(9版)引用形式Collins, Ronald K. L., , Sam Chaltain. We Must Not Be Afraid to Be Free: Stories of Free Expression in America. Oxford University Press, 2011.
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