Frank, M. Modern English: A practical reference guide. Englewood Cliffs, N.J: Prentice-Hall.
Čikaški stil citiranjaFrank, Marcella. Modern English: A Practical Reference Guide. Englewood Cliffs, N.J: Prentice-Hall.
MLA način citiranjaFrank, Marcella. Modern English: A Practical Reference Guide. Englewood Cliffs, N.J: Prentice-Hall.
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