APA-čujuhus (7. p.)
Hahn, . M. D. (2004). The old Willis place: A ghost story. Clarion Books.
Chicago-čujuhus (17. p.)
Hahn, Mary Downing. The Old Willis Place: A Ghost Story. New York: Clarion Books, 2004.
MLA-čujuhus (9. p.)
Hahn, Mary Downing. The Old Willis Place: A Ghost Story. Clarion Books, 2004.
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