Gaya APA
Songs of the Humpback Whale. (2009).
London:
Hodder.
Gaya Chicago
Songs of the Humpback Whale.
.
London:
Hodder,
2009.
Buku.
Gaya MLA
Songs of the Humpback Whale.
.
London:
Hodder,
2009.
Buku.
Gaya Turabian
Songs of the Humpback Whale.
London:
Hodder,
2009.
Buku.