Recommended Reading

Mathew Collin. ISBN: 1-85242-604-7. (1997)

Wayne Anthony. ISBN: 0-7535-0240-2. (1998)

Colin Ward. ISBN -10: 0671697102. ISBN -13: 978-0671697105. (1988)

Colin Ward. ISBN: 0-7472-5867-8.(1996)

Colin Blainey. ISBN: 1-90385-428-8. (2004)

Tony O'Neill. ISBN -10: 1903854458. ISBN -13: 978-1903854457. (2005)

Tony O'Neill. ISBN -10: 1903854520. ISBN -13: 978-1903854525. (2006).