Coles, R., & Erikson, J. (1973). A spectacle unto the world: The Catholic Worker Movement. Viking Press.
Dyfyniad Arddull ChicagoColes, Robert, and Jon Erikson. A Spectacle Unto the World: The Catholic Worker Movement. New York: Viking Press, 1973.
Dyfyniad MLAColes, Robert, and Jon Erikson. A Spectacle Unto the World: The Catholic Worker Movement. Viking Press, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.