Templeton, Jane Farley. Focus groups : a guide for marketing & advertising professionals / Jane Farley Templeton. - Chicago, Ill. : Probus Pub. Co., c1987. - xiii, 315 p. ; 24 cm. ISBN: 0917253787 : $24.95 LCCN: 87004977 LC Class. No.: HF5415.2 .T43 1987 / .T43 1987 Dewey Class. No.: 658.8/3