Kubler, Hans, author
John Wiley & Sons, 1980
Buku Teks
Wilcox, W. Wayne, author
John Wiley & Sons, 1991
Buku Referensi
Gutdeutsch, Goitz, author
Birkhal'user, 1997
Buku Teks
edited by Keith F. Faherty, Thomas G. Williamson
McGraw-Hill, 1995
Buku Referensi
edited by Keith F. Faherty, Thomas G. Williamson
McGraw-Hill, 1997
Buku Referensi