APA-viite (7. p.)

Polak, P. (2008). Out of poverty: What works when traditional approaches fail. Berrett-Koehler.

Chicago-viite (17. p.)

Polak, Paul. Out of Poverty: What Works When Traditional Approaches Fail. San Francisco, Calif.: Berrett-Koehler, 2008.

MLA-viite (8. p.)

Polak, Paul. Out of Poverty: What Works When Traditional Approaches Fail. Berrett-Koehler, 2008.