WHITEHEAD, A. (1962). PLANNING, ESTIMATING & RATE FIXING. PITMAN & CO.
Chicago-čujuhus (17. p.)WHITEHEAD, A. PLANNING, ESTIMATING & RATE FIXING. LONDON: PITMAN & CO, 1962.
MLA-čujuhus (9. p.)WHITEHEAD, A. PLANNING, ESTIMATING & RATE FIXING. PITMAN & CO, 1962.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.