Ford, B. G. (2013). No more biting for billy goat! Boxer Books.
Lua i Stíl Chicago (17ú heag.)Ford, Bernette G. No More Biting for Billy Goat! [S.I.]: Boxer Books, 2013.
Lua MLA (8ú heag.)Ford, Bernette G. No More Biting for Billy Goat! Boxer Books, 2013.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.