Marcella Frank. (1972). Modern English; T1: Exercises for non-native speakers. New Jersey: Prentice-Hall.
Trích dẫn kiểu ChicagoMarcella Frank. Modern English; T1: Exercises for Non-native Speakers. New Jersey: Prentice-Hall, 1972.
MLA citiranjeMarcella Frank. Modern English; T1: Exercises for Non-native Speakers. New Jersey: Prentice-Hall, 1972.
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