Walker, John R. Supervision in the hospitality industry / John R. Walker, Jack E. Miller. - 7th ed. - Hoboken, N.J. : John Wiley, c2012. - xvii, 506 p. : ill. ; 25 cm. ISBN: 9781118071786 Subjects--Topical Terms: Hospitality industry--Personnel management. Dewey Class. No.: 647.90683 / MIL 2012