Aldine Publishing Company, 1964
Buku Teks
New Delhi, India : Indian Council for Cultural Relation
Majalah, Jurnal, Buletin
Barnes, Harry Elmer
Prentice Hall of India, 1966
Buku Teks
Institute of Humanities, Seoul National University,
Majalah, Jurnal, Buletin
edited by John Lyons
Penguin Books, 1973
Buku Teks