Dyfyniad APA

Gustafsson, B. (1989). The Political Economy of Social Security. ELSEVIER.

Dyfyniad Arddull Chicago

Gustafsson, B.A. The Political Economy of Social Security. ELSEVIER, 1989.

Dyfyniad MLA

Gustafsson, B.A. The Political Economy of Social Security. ELSEVIER, 1989.

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