Ferguson, John Alexander
National Library of Australia, 1977
Buku Referensi
editor, William Bridgwater dan Seymour Kurtz
Columbia University Press, 1963
Buku Referensi
Krom, N.J.
Gian Publishing House, 1986
Buku Teks
Krom, N.J.
Gian Publishing House, 1927
Buku Teks
Krom, N.J.
Gian Publishing House, 1986
Buku Teks SO