Wheldon, H. (1962). Wheldon's costing simplified.: Completely revised by L.W.J.Owler and J.L.Brown. Mackdonald & Evans.
Chicago-čujuhus (17. p.)Wheldon, H.J. Wheldon's Costing Simplified.: Completely Revised by L.W.J.Owler and J.L.Brown. Mackdonald & Evans, 1962.
MLA-čujuhus (9. p.)Wheldon, H.J. Wheldon's Costing Simplified.: Completely Revised by L.W.J.Owler and J.L.Brown. Mackdonald & Evans, 1962.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.