Harahap, F.K.N., author
Djakarta Press, 1959
Buku Teks
Chairul Arifin, author
ISTN, 1999
Buku Referensi
Guthrie, W.K.C., author
Cambridge University Press, 1989
Buku Teks
Frankfort, Henriette Antonia, author
Penguin Books, 1949
Buku Teks
Magee, Bryan, author
Kanisius, 2008
Buku Referensi