Accounting for the travel agent; an approach to effective management / [by] Donald L. Madden. Madden, Donald L. Institute of Certified Travel Agents. Travel agents Accounting. HF5686.T73 M33 658 REE Bibliography: p. [177]-179. [Lexington] : Published in cooperation with the Institute of Certified Travel Agents [by] the University Press of Kentucky , [c1972]. [c1972]. 1972 Text xiv, 183 p. eng