Davis, P. (1989). English structure in focus: Book two (2a. ed.). New York: Newbury House Publishers.
Citación estilo ChicagoDavis, Polly. English Structure in Focus: Book Two. 2a. ed. New York: Newbury House Publishers, 1989.
Cita MLADavis, Polly. English Structure in Focus: Book Two. 2a. ed. New York: Newbury House Publishers, 1989.
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