Richmal Crompton. (2015). William the Fourth (Just William series Book 4) (New Edit/Cover.). Macmillan Children's Books.
Chicago-referens (17:e uppl.)Richmal Crompton. William the Fourth (Just William Series Book 4). New Edit/Cover. Macmillan Children's Books, 2015.
MLA-referens (9:e uppl.)Richmal Crompton. William the Fourth (Just William Series Book 4). New Edit/Cover. Macmillan Children's Books, 2015.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.