Dyfyniad APA

Knowles, G. (1987). Patterns of spoken english : an introduc-: Tion to english phonetics. Longman.

Dyfyniad Arddull Chicago

Knowles, Gerald. Patterns of Spoken English : An Introduc-: Tion to English Phonetics. London: Longman, 1987.

Dyfyniad MLA

Knowles, Gerald. Patterns of Spoken English : An Introduc-: Tion to English Phonetics. Longman, 1987.

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