Richmal Crompton. (2015). William the Fourth (Just William series Book 4) (New Edit/Cover.). Macmillan Children's Books.
Lua i Stíl Chicago (17ú heag.)Richmal Crompton. William the Fourth (Just William Series Book 4). New Edit/Cover. Macmillan Children's Books, 2015.
Lua MLA (9ú heag.)Richmal Crompton. William the Fourth (Just William Series Book 4). New Edit/Cover. Macmillan Children's Books, 2015.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.