Richmal Crompton. (2015). William the Fourth (Just William series Book 4) (New Edit/Cover.). Macmillan Children's Books.
Cita Chicago (17th ed.)Richmal Crompton. William the Fourth (Just William Series Book 4). New Edit/Cover. Macmillan Children's Books, 2015.
Cita MLA (9th ed.)Richmal Crompton. William the Fourth (Just William Series Book 4). New Edit/Cover. Macmillan Children's Books, 2015.
Atenció: Aquestes cites poden no estar 100% correctes.