New Zealand
edited by Horace Belshaw
University of California Press, 1947
 Buku Teks SO
Thakur, Ramesh
Indefence of new Zealand
London: Westview Press, 1986,
 Buku Referensi
Weinberg, Mike
New sales: simplified: the essential handbook for prospecting and new business development
[American Management Association;, ], 2013
 eBooks
Barber, Laurie
New Zealand
Century Hutchinson, 1989
 Buku Teks
Sinclair, Keith
A history of New Zealand
Penguin Books, 1986
 Buku Teks SO