Hospitality accounting /

by Gray, William S., 1936-
Upper Saddle River, N.J. : Prentice Hall, 1996

Hotel and motel management and operations /

by Gray, William S., 1936-
Upper Saddle River, N.J. : PH/PTR, 2003
4th ed.

Hotel and motel management and operations /

by Gray, William S., 1936-
Englewood Cliffs, N.J. : Prentice Hall, 1990
2nd ed.

Hotel and motel management and operations /

by Gray, William S., 1936-
Englewood Cliffs, N.J. : Regents/Prentice Hall, 1994
3rd ed.

Hotel and motel management and operations /

by Gray, William S., 1936-, Liguori, Salvatore C., 1909-
Englewood Cliffs, N.J. : Prentice-Hall, 1980