APA aipamena

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

Chicago Style aipamena

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

MLA aipamena

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