Dyfyniad APA

Pennington, M. C., & Rogerson-Revell, P. (2019). English Pronunciation Teaching and Research. Palgrave Macmillan UK.

Dyfyniad Arddull Chicago

Pennington, Martha C., và Pamela Rogerson-Revell. English Pronunciation Teaching and Research. Palgrave Macmillan UK, 2019.

Dyfyniad MLA

Pennington, Martha C., và Pamela Rogerson-Revell. English Pronunciation Teaching and Research. Palgrave Macmillan UK, 2019.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.