APA-viite (7. p.)

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

Chicago-viite (17. p.)

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

MLA-viite (9. p.)

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