Dyfyniad APA

Calvert, H. (1970). Social security law (2nd ed.). Sweet & Maxwell.

Dyfyniad Arddull Chicago

Calvert, Harry. Social Security Law. 2nd ed. London: Sweet & Maxwell, 1970.

Dyfyniad MLA

Calvert, Harry. Social Security Law. 2nd ed. Sweet & Maxwell, 1970.

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