Leonard, J. Self-contradicting puns in "Paradise Lost": John Leonard. A companion to Milton.(2003).
Čikaški stil citiranja (17. izdanje)Leonard, John. "Self-contradicting Puns in "Paradise Lost": John Leonard." A Companion to Milton.(2003) .
MLA način citiranja (8. izdanje)Leonard, John. "Self-contradicting Puns in "Paradise Lost": John Leonard." A Companion to Milton.(2003), .
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