Gaya APA
King, S., Chizmar, R.
(2017).
Gwendy's button box
(
1)
.
London:
Hodder & Stoughton.
Gaya MLA
King, Stephen., Chizmar, Richard.
"Gwendy's button box".
1
London:
Hodder & Stoughton,
2017.
Text.