Vokal tak bundar pusat separuh luasHarcourt College Publishers. Roach, Peter (2004), "British English: Received Pronunciation", Journal of the International Phonetic Association 34 (2): 239-245
Obunyinya berbeza sebenarnya. Dalam loghat prestij British yang bernama Received Pronunciation, huruf o ini berbunyi diftong (əʊ); di Amerika pula /oʊ/. Dalam
Geseran glotis bersuaraAssociation, 21 (2): 91–93 Roach, Peter (2004), "British English: Received Pronunciation", Journal of the International Phonetic Association, 34 (2): 239–245
Hentian glotisLadefoged" ignored (bantuan) Roach, Peter (2004), "British English: Received Pronunciation", Journal of the International Phonetic Association, 34 (2): 239–245
Vokal bundar belakang separuh sempitAssociation, 38 (1): 107–114 Roach, Peter (2004), "British English: Received Pronunciation", Journal of the International Phonetic Association, 34 (2): 239–245