Theories of development/

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: Preston, P.w
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: London : Routledge and kegan Paul c1982
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!