Gaya APA
Blyton, E.
(1971).
The Famous Five 20 : Five Have a Mystery to Solve
.
London:
Hodder and Stougton Paperbacks.
Gaya MLA
Blyton, Enid.
"The Famous Five 20 : Five Have a Mystery to Solve".
London:
Hodder and Stougton Paperbacks,
1971.
Text.