STINE.R.L. (2010). GOOSEBUMPS: HORRORLAND SLAPPY NEW YEAR ! SCHOLASTIC.
Lua i Stíl Chicago (17ú heag.)STINE.R.L. GOOSEBUMPS: HORRORLAND SLAPPY NEW YEAR ! NEW YORK: SCHOLASTIC, 2010.
Lua MLA (9ú heag.)STINE.R.L. GOOSEBUMPS: HORRORLAND SLAPPY NEW YEAR ! SCHOLASTIC, 2010.
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