Παραπομπή σε μορφή APA (7η εκδ.)

Beckerman, W. (1979). Poverty and the impact of income maintenance programmes in four developed countries: Case studies of Australia, Belgium, Norway, and Great Britain. International Labour Office.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Beckerman, Wilfred. Poverty and the Impact of Income Maintenance Programmes in Four Developed Countries: Case Studies of Australia, Belgium, Norway, and Great Britain. Geneva: International Labour Office, 1979.

Παραπομπή σε μορφή MLA (9th εκδ.)

Beckerman, Wilfred. Poverty and the Impact of Income Maintenance Programmes in Four Developed Countries: Case Studies of Australia, Belgium, Norway, and Great Britain. International Labour Office, 1979.