The possibility of altruism.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Nagel, Thomas (Author)
Hōputu: Tē mōhiotia
Reo:Ingarihi
I whakaputaina: Princeton, N.J., USA: Princeton University Press, 1978
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!