Baggett, R. C. (1981). A programed approach to good spelling! Englewood Cliffs, New Jersey: Prentice-Hall.
Citación estilo ChicagoBaggett, Richard C. A Programed Approach to Good Spelling! Englewood Cliffs, New Jersey: Prentice-Hall, 1981.
Cita MLABaggett, Richard C. A Programed Approach to Good Spelling! Englewood Cliffs, New Jersey: Prentice-Hall, 1981.
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