Foley, G. E. (2010). Willoughby & the moon. Balzer & Bray.
Lua i Stíl Chicago (17ú heag.)Foley, Greg E. Willoughby & the Moon. New York: Balzer & Bray, 2010.
Lua MLA (8ú heag.)Foley, Greg E. Willoughby & the Moon. Balzer & Bray, 2010.
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