Dyfyniad APA

Houston, M. (2004). Commissioner denies plans for a Europe-wide smoking ban. BMJ Publishing Group Ltd.

Dyfyniad Arddull Chicago

Houston, Muiris. Commissioner Denies Plans for a Europe-wide Smoking Ban. BMJ Publishing Group Ltd, 2004.

Dyfyniad MLA

Houston, Muiris. Commissioner Denies Plans for a Europe-wide Smoking Ban. BMJ Publishing Group Ltd, 2004.

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