The Method of science.

I tiakina i:
Ngā taipitopito rārangi puna kōrero
Kaituhi matua: HARRE, R.
Hōputu: Pukapuka
Reo:Ingarihi
I whakaputaina: London, Wykeham 1970.
Ngā marau:
Ngā Tūtohu: Tāpirihia he Tūtohu
Kāore He Tūtohu, Me noho koe te mea tuatahi ki te tūtohu i tēnei pūkete!