Dyfyniad APA

Ibbotson, S., & Watt, I. (1991). The health of the nation.

Dyfyniad Arddull Chicago

Ibbotson, Sue, and Ian Watt. The Health of the Nation. 1991.

Dyfyniad MLA

Ibbotson, Sue, and Ian Watt. The Health of the Nation. 1991.

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