Link for the Cambridge Advanced Learner’s Dictionary:
https://dictionary.cambridge.org/dictionary/english/
Link for the International Phonetic Alphabet (Wikipedia):
https://en.m.wikipedia.org/wiki/International_Phonetic_Alphabet
Phonetic Transcription 1
Phonetic Transcription 2
Class PowerPoint slides (3):
https://www.slideshare.net/veryserioso/phonetics-95315930
Class PowerPoint Slides (4):
Class PowerPoint Slides (5):
https://commons.wikimedia.org/wiki/File:Extended_IPA_chart_2005.png
Trevor Noah speaking Xhosa: https://www.youtube.com/watch?v=ErP_gS6NFDM&t=29s
Yoruba vs Igbo language challenge: https://www.youtube.com/watch?v=M8F_6YIL30c&t=153s
By Kwamikagami (talk) 21:28, 2 October 2008 (UTC) [GFDL (http://www.gnu.org/copyleft/fdl.html) or CC-BY-SA-3.0 (http://creativecommons.org/licenses/by-sa/3.0/)], via Wikimedia Commons