Gaya APA
Allen, J, R.
(1997).
Celtic art: In Pagan and Christian times.
.
Twickenham:
Twickenham Senate.
Gaya MLA
Allen, J., Romilly.
"Celtic art: In Pagan and Christian times. ".
Twickenham:
Twickenham Senate,
1997.
Buku.