Hoang. Van Chi
Allied Publishers, 1964
Buku Teks
Hoang, Van Chi, author
Popular Library , 1964
Buku Teks
Laqueur, Walter Z.
Routledge & Kegan Paul , 1957
Buku Teks
Sri Margana, author
Artikel Jurnal
Pluvier, Jan M., author
Oxford University Press, 1977
Buku Teks