Gaya APA
Beaches and Coasts. (1972).
London:
Edward Arnold.
Gaya Chicago
Beaches and Coasts.
2.
London:
Edward Arnold,
1972.
Buku.
Gaya MLA
Beaches and Coasts.
2.
London:
Edward Arnold,
1972.
Buku.
Gaya Turabian
Beaches and Coasts.
London:
Edward Arnold,
1972.
Buku.