Cita APA

Hall, E. J. (1973). Building english sentences with auxiliary verbs. New Yorh: Regents.

Citación estilo Chicago

Hall, Eugene J. Building English Sentences With Auxiliary Verbs. New Yorh: Regents, 1973.

Cita MLA

Hall, Eugene J. Building English Sentences With Auxiliary Verbs. New Yorh: Regents, 1973.

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