Baker, R. J. Implementing Value Pricing. Wiley.
Chicago-čujuhus (17. p.)Baker, Ronald J. Implementing Value Pricing. Wiley.
MLA-čujuhus (9. p.)Baker, Ronald J. Implementing Value Pricing. Wiley.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.