Cita APA (7a ed.)
National Council of Teachers of english. (1965). English for today. McGraw-Hill.
Cita Chicago Style (17a ed.)
National Council of Teachers of english. English for Today. New York: McGraw-Hill, 1965.
Cita MLA (9a ed.)
National Council of Teachers of english. English for Today. McGraw-Hill, 1965.
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