Dyfyniad APA

Ward, W. [. o. c. (2017). Singers' throat troubles: Their cause and cure. Norderstedt.

Dyfyniad Arddull Chicago

Ward, Whitfield. [from old catalog]. Singers' Throat Troubles: Their Cause and Cure. Hansebooks GmbH: Norderstedt, 2017.

Dyfyniad MLA

Ward, Whitfield. [from old catalog]. Singers' Throat Troubles: Their Cause and Cure. Norderstedt, 2017.

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