Barbour, I. G. Nature, human nature, and god. Fortress press.
Chicago-čujuhus (17. p.)Barbour, Ian G. Nature, Human Nature, and God. Minnepolis: Fortress press.
MLA-čujuhus (9. p.)Barbour, Ian G. Nature, Human Nature, and God. Fortress press.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.