APA Style
Blyton, Enid., Lean,Geoffrey. ().
Rich world poor world .
:
.
Chicago Style
Blyton, Enid., Lean,Geoffrey.
Rich world poor world.
:
,
.
.
MLA Style
Blyton, Enid., Lean,Geoffrey.
Rich world poor world.
:
,
.
.
Turabian Style
Blyton, Enid., Lean,Geoffrey.
Rich world poor world.
:
,
.
.