Giordano, G. (2003). Twentieth-century textbook wars: A history of advocacy and opposition. P. Lang.
Chicago-viite (17. p.)Giordano, Gerard. Twentieth-century Textbook Wars: A History of Advocacy and Opposition. New York: P. Lang, 2003.
MLA-viite (9. p.)Giordano, Gerard. Twentieth-century Textbook Wars: A History of Advocacy and Opposition. P. Lang, 2003.
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