SUMANTH DAVID J. (1985). PRODUCTIVITY ENGINEERING & MANAGEMENT. MCGRAW-HILL.
Dyfyniad Arddull ChicagoSUMANTH DAVID J. PRODUCTIVITY ENGINEERING & MANAGEMENT. NEW YORK: MCGRAW-HILL, 1985.
Dyfyniad MLASUMANTH DAVID J. PRODUCTIVITY ENGINEERING & MANAGEMENT. MCGRAW-HILL, 1985.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.