Gaya APA
Blyton, enid. (2009).
Secret seven mystery (First editions).
London:
Hodder Children Books.
Gaya Chicago
Blyton, enid.
Secret seven mystery.
First editions
London:
Hodder Children Books,
2009.
Text.
Gaya MLA
Blyton, enid.
Secret seven mystery.
First editions
London:
Hodder Children Books,
2009.
Text.
Gaya Turabian
Blyton, enid.
Secret seven mystery.
First editions
London:
Hodder Children Books,
2009.
Print.