Oxford & IBH Pub, 1986"
Buku Teks
Stetler, David A.
"Minneapolis Burgess, 1974",
Buku Teks
Gardner, Eldon J., author
Burgess Publishing, 1965
Buku Teks
Panikkar, K.M., author
George Allen and Unwin, 1951
Buku Teks
New Delhi, India : Indian Council for Cultural Relation
Majalah, Jurnal, Buletin