Bloom,Gordon F. Economics of Labour relations : Bloom and Northrup / by Gordon F. Bloom and Herbert R. Northrup - 8th ed. - USA: Richrad D. Irwin, 1977. - xix,746p. ISBN: 025601910X Subjects--Topical Terms: American LabourEconomics Unemployment Weapon Dewey Class. No.: 331 / BLO/E