Helm, P. (1987). Objective knowledge: A christian perspective. Inter-varsity press.
Tohutoru Kātū Chicago (17th ed.)Helm, Paul. Objective Knowledge: A Christian Perspective. Leicester: Inter-varsity press, 1987.
Tohutoro MLA (9th ed.)Helm, Paul. Objective Knowledge: A Christian Perspective. Inter-varsity press, 1987.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.