Dong-A, author
[publisher not identified], [date of publication not identified]
Buku Referensi
Texnika, 1993
Buku Referensi
Smith, William, author
London, John Murray
Buku Referensi
Zoetmulder, P. J. (Petrus Josephus), author
Martinus Nijhoff, 1982
Buku Referensi
Yamagiwa, Joseph K., author
McGraw-Hill, 1942
Buku Referensi