Dyfyniad APA

(2001). A sixth of Gulf war veterans believe they have Gulf war syndrome. BMJ.

Dyfyniad Arddull Chicago

A Sixth of Gulf War Veterans Believe They Have Gulf War Syndrome. BMJ, 2001.

Dyfyniad MLA

A Sixth of Gulf War Veterans Believe They Have Gulf War Syndrome. BMJ, 2001.

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