Gardner, Herbert S. The advertising agency business : the complete manual for management & operation / Herbert S. Gardner, Jr. - Lincolnwood, Ill., U.S.A. : NTC Business BOOKs, c1988. - x, 229 p. ; 24 cm. Includes index. ISBN: 0844231673 : $24.95 LCCN: 87082614 Subjects--Topical Terms: Advertising agencies--Management--United States LC Class. No.: HF6178 Dewey Class. No.: 659.1/125/068