HAGAN JACK. (1997). MANAGEMENT OF QUALITY: STRATEGIES TO IMPROVE QUALITY AND THE BOTTOM LINE. OXFORD UNIVERSITY PRESS.
Chicago-čujuhus (17. p.)HAGAN JACK. MANAGEMENT OF QUALITY: STRATEGIES TO IMPROVE QUALITY AND THE BOTTOM LINE. DELHI: OXFORD UNIVERSITY PRESS, 1997.
MLA-čujuhus (9. p.)HAGAN JACK. MANAGEMENT OF QUALITY: STRATEGIES TO IMPROVE QUALITY AND THE BOTTOM LINE. OXFORD UNIVERSITY PRESS, 1997.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.