POPPER HERBERT. (1976). MODERN TECHNICAL MANAGEMENT TECHNIQUES. TATA MC GRAW HILL.
Chicago-čujuhus (17. p.)POPPER HERBERT. MODERN TECHNICAL MANAGEMENT TECHNIQUES. TATA MC GRAW HILL, 1976.
MLA-čujuhus (9. p.)POPPER HERBERT. MODERN TECHNICAL MANAGEMENT TECHNIQUES. TATA MC GRAW HILL, 1976.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.