Giordano, G. (2003). Twentieth-century textbook wars: A history of advocacy and opposition. P. Lang.
Dyfyniad Arddull ChicagoGiordano, Gerard. Twentieth-century Textbook Wars: A History of Advocacy and Opposition. New York: P. Lang, 2003.
Dyfyniad MLAGiordano, Gerard. Twentieth-century Textbook Wars: A History of Advocacy and Opposition. P. Lang, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.