APA-čujuhus (7. p.)
Hughes, T. (1998). Birthday letters (1st Farrar, Straus, and Giroux ed.). Farrar, Straus, Giroux.
Chicago-čujuhus (17. p.)
Hughes, Ted. Birthday Letters. 1st Farrar, Straus, and Giroux ed. New York: Farrar, Straus, Giroux, 1998.
MLA-čujuhus (9. p.)
Hughes, Ted. Birthday Letters. 1st Farrar, Straus, and Giroux ed. Farrar, Straus, Giroux, 1998.
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