Marlowe، Frank (2002). "Why the Hadza are Still Hunter-Gatherers"(PDF). Ethnicity, Hunter-Gatherers, and the "Other": Association or Assimilation in Africa: 247–275. مؤرشف من الأصل(PDF) في 2019-07-21.
Marlowe، Frank (2002). "Why the Hadza are Still Hunter-Gatherers"(PDF). Ethnicity, Hunter-Gatherers, and the "Other": Association or Assimilation in Africa: 247–275. مؤرشف من الأصل(PDF) في 2019-07-21.