Listening files
Section 2 http://www2.kumagaku.ac.jp/teacher/~judy/classes/zemi/eowlisteningfiles/chap9-2nz.mp3
Section 4 http://www2.kumagaku.ac.jp/teacher/~judy/classes/zemi/eowlisteningfiles/chap9-4nz.mp3
Section 5 http://www2.kumagaku.ac.jp/teacher/~judy/classes/zemi/eowlisteningfiles/chap9-5nz.mp3
NZ English sounds http://www.ualberta.ca/~johnnewm/NZEnglish/sounds.html
NZ England vocabulary http://en.wiktionary.org/wiki/Category:New_Zealand_English
Vowels in native varieties
1. England vs. US https://www.semanticscholar.org/paper/Vowel-Variation-Between-American-English-and-Khan-Alzobidy/df65c174c1102ef361037487d8cce38a01a9d54a/figure/0
2. England 
3. New York https://www.wikihow.com/Talk-Like-a-Stereotypical-New-Yorker
4. NZ vs. Australia https://www.researchgate.net/figure/Vowel-plot-showing-approximate-relative-positions-of-New-Zealand-and-Australian-English_fig1_322464614
https://www.let.rug.nl/nerbonne/teach/varieties-eng/Presentations/NewZealand-vdKooi.pdf