Milton John & Nigam,Y.N. (2001). John Milton's Paradise lost: Book ix. Research & Education Association.
Chicago-viite (17. p.)Milton John ja Nigam,Y.N. John Milton's Paradise Lost: Book Ix. Piscataway, N.J.; New Delhi: Research & Education Association, 2001.
MLA-viite (8. p.)Milton John ja Nigam,Y.N. John Milton's Paradise Lost: Book Ix. Research & Education Association, 2001.
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