Style de citation APA (7e éd.)

Polak, P. (2009). Out of poverty: What works when traditional approaches fail. Harper - Collins.

Style de citation Chicago (17e éd.)

Polak, Paul. Out of Poverty: What Works When Traditional Approaches Fail. Harper - Collins, 2009.

Style de citation MLA (9e éd.)

Polak, Paul. Out of Poverty: What Works When Traditional Approaches Fail. Harper - Collins, 2009.