APA aipamena

Calvo, C., & Dercon, S. (2007). Vulnerability to poverty.

Chicago Style aipamena

Calvo, C., and S. Dercon. Vulnerability to Poverty. 2007.

MLA aipamena

Calvo, C., and S. Dercon. Vulnerability to Poverty. 2007.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.