New horizons world guide
edited by Gerald W. Whitted
Pan American World Airways, 1971
 Buku Referensi
New horizons world guide
edited by Gerald W. Whitted
Pan American World Airways, 1963
 Buku Referensi
Nicholson, Max
The environmental revolution : a guide for the new masters of the world
Penguin Books, 1970
 Buku Teks
Collins, V.D.
World marketing : a complete guide to world merchandising and selling of the new era
J.B. Lippincott, 1935
 Buku Teks
Moratis, Lars
ISO 26000 the business guide to the new standartd on social responsibility
Green Leaf, 2011
 Buku Teks