Semer-Purzycki, Jeanne. International travel, fares, and ticketing / Jeanne Semer-Purzycki. - Upper Saddle River, N.J. : Prentice Hall, 1997. - xi, 337 p. : ill., maps ; 28 cm. ISBN: 0132282224 LCCN: 96032470 Subjects--Topical Terms: Travel. LC Class. No.: G151 / .P986 1997