FRANK, M. (1972). Modern english: Exercises for non-native speakers .. Prentice-Hall.
Čikaški stil citiranja (17. izdanje)FRANK, Marcella. Modern English: Exercises for Non-native Speakers .. New Jersey: Prentice-Hall, 1972.
MLA način citiranja (9. izdanje)FRANK, Marcella. Modern English: Exercises for Non-native Speakers .. Prentice-Hall, 1972.
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