Dyfyniad APA

WIGGER BERTHOLD U. (2002). PUBLIC PENSIONS AND ECONOMIC GROWTH. SPRINGER.

Dyfyniad Arddull Chicago

WIGGER BERTHOLD U. PUBLIC PENSIONS AND ECONOMIC GROWTH. NEW YORK: SPRINGER, 2002.

Dyfyniad MLA

WIGGER BERTHOLD U. PUBLIC PENSIONS AND ECONOMIC GROWTH. SPRINGER, 2002.

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