Weeks, S., & Neubecker, R. (2009). Sophie Peterman tells the truth! Beach Lane Books.
Lua i Stíl Chicago (17ú heag.)Weeks, Sarah, agus Robert Neubecker. Sophie Peterman Tells the Truth! New York: Beach Lane Books, 2009.
Lua MLA (8ú heag.)Weeks, Sarah, agus Robert Neubecker. Sophie Peterman Tells the Truth! Beach Lane Books, 2009.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.