Fuller, H. R., Wasell, F. F., & Crowell, T. L. (1969). Advanced english exercises: A practice book for advanced students. McGraw-Hill.
Cita Chicago Style (17a ed.)Fuller, Helene R., Florence F. Wasell, y Thomas Lee Crowell. Advanced English Exercises: A Practice Book for Advanced Students. Nueva York: McGraw-Hill, 1969.
Cita MLA (9a ed.)Fuller, Helene R., et al. Advanced English Exercises: A Practice Book for Advanced Students. McGraw-Hill, 1969.
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