Robertson, O. (1980). The christ of the covenant. PRP.
Chicago-čujuhus (17. p.)Robertson, O.Palmer. The Christ of the Covenant. Phillipsburg: PRP, 1980.
MLA-čujuhus (9. p.)Robertson, O.Palmer. The Christ of the Covenant. PRP, 1980.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.