FROST, R. (1964). Selected letters of Robert Frost. Holt, Rinehart and Winston.
Čikaški stil citiranja (17. izdanje)FROST, Robert. Selected Letters of Robert Frost. New york: Holt, Rinehart and Winston, 1964.
MLA način citiranja (9. izdanje)FROST, Robert. Selected Letters of Robert Frost. Holt, Rinehart and Winston, 1964.
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