Puttkamer, L. (2023). Poverty: 333 million children in extreme poverty / von Laura Puttkamer. Topos.
Lua i Stíl Chicago (17ú heag.)Puttkamer, Laura. "Poverty: 333 Million Children in Extreme Poverty / Von Laura Puttkamer." Topos 2023.
Lua MLA (8ú heag.)Puttkamer, Laura. "Poverty: 333 Million Children in Extreme Poverty / Von Laura Puttkamer." Topos, 2023.
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