APA
Churcill G. A., . (1979). Marketing research : methodological foundations. The dryden press, Chicago: .
Chicago
Churcill Gilbert A, . 1979. Marketing research : methodological foundations. The dryden press, Chicago: .
Harvard
Churcill G. A., . (1979). Marketing research : methodological foundations. The dryden press, Chicago: .
MLA
Churcill Gilbert A, . Marketing research : methodological foundations. The dryden press, Chicago: . 1979.