Beard, Charles A.
The American spirit
Macmillan, 1942
Buku Teks
Etzioni, Amitai
The Spirit of community
A Touchestone Book, 1994
Buku Teks
THE SPIRIT OF ZEN
Buku Teks
Kunstler, Mort
The American spirit
Harry N. Abrams, 1986
Buku Referensi
Raymer, Robert
Spirit of Malaysia
Editions Didier Millet, 2011
Buku Referensi