Wills, Gordon. Marketing through research. - [1st ed.] - Oxford, New York, Oxford, New York, Pergamon Press [1967] - The Commonwealth and international library. The essentials of marketing series . Bibliography: p. 147-148. LCCN: 67028666 Subjects--Topical Terms: Marketing research. LC Class. No.: HF5415.2 / .W5 1967 Dewey Class. No.: 658.83