Armstrong, Michael, author
1998
Buku Teks
Washington D.C. APEC HRD Ministerial Meeting 1999,
Buku Teks
Lewis, Keith, author
Crest, 2001
Buku Teks
Elger, Dietmar ; Ganthefuhrer, Anne ; Griname, Karin H. ; Hess, Barbara ; Holzwarth, Hans Werner, with essays
Taschen, 2011
Buku Referensi
Brannan, Tom, author
Crest Publishing House, 2001
Buku Teks