APA-čujuhus (7. p.)
Empson, W., & Haffenden, J. (2006). Selected letters of William Empson. Oxford University Press.
Chicago-čujuhus (17. p.)
Empson, William, juo John Haffenden. Selected Letters of William Empson. Oxford ; New York: Oxford University Press, 2006.
MLA-čujuhus (9. p.)
Empson, William, juo John Haffenden. Selected Letters of William Empson. Oxford University Press, 2006.
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