Dyfyniad APA

(1977). Social security in 10 industrial nations. Switzerland: Union bank of Switzerland.

Dyfyniad Arddull Chicago

Social Security in 10 Industrial Nations. Switzerland: Union bank of Switzerland, 1977.

Dyfyniad MLA

Social Security in 10 Industrial Nations. Switzerland: Union bank of Switzerland, 1977.

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