The psychology of helping and altruism : problems and puzzles /

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Schroeder, David A.
Ētahi atu kaituhi: Penner, Louis A.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: New York : McGraw-Hill, c1995.
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!