Dyfyniad APA

Johnson, P., & Falkingham, J. (1992). Ageing and economic welfare. Sage Publications.

Dyfyniad Arddull Chicago

Johnson, Paul, and Jane Falkingham. Ageing and Economic Welfare. London: Sage Publications, 1992.

Dyfyniad MLA

Johnson, Paul, and Jane Falkingham. Ageing and Economic Welfare. Sage Publications, 1992.

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