Artikel Jurnal
Galván-Madrid, Roberto J., author
[Springer, ], 2012
eBooks
Prasna Pramita, author
2002
Artikel Jurnal
Edey, Maitland A. (Amstrong), 1910-, author
Time-Life International, 1973
Buku Teks
International Universities Press, Inc., 1968
Buku Teks