Worldwide tours :
Davidoff, Philip G.
Worldwide tours : a travel agent's guide to selling tours / Philip G. Davidoff, Doris S. Davidoff. - Englewood Cliffs, NJ. : Prentice Hall, 1990 - 82 p. ; 28 cm.
0139648917
Package tours
Travel agents
338.4791 / D249W 1990
Worldwide tours : a travel agent's guide to selling tours / Philip G. Davidoff, Doris S. Davidoff. - Englewood Cliffs, NJ. : Prentice Hall, 1990 - 82 p. ; 28 cm.
0139648917
Package tours
Travel agents
338.4791 / D249W 1990