Irwin, W., Weigle, C. F., & Clark, D. G. (1969). The American newspaper ([1st ed.].). Iowa State University Press.
Cita Chicago Style (17a ed.)Irwin, Will, Clifford F. Weigle, y David G. Clark. The American Newspaper. [1st ed.]. Ames: Iowa State University Press, 1969.
Cita MLA (9a ed.)Irwin, Will, et al. The American Newspaper. [1st ed.]. Iowa State University Press, 1969.
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