Spring, J. H. (2012). American education (15 ed.). New York: McGraw-Hill.
Trích dẫn kiểu ChicagoSpring, Joel H. American Education. 15 ed. New York: McGraw-Hill, 2012.
MLA citiranjeSpring, Joel H. American Education. 15 ed. New York: McGraw-Hill, 2012.
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