APA-Zitierstil (7. Ausg.)

COREY E R. (1985). PROBLEMS IN MARKETING (6TH.). MCGRAW-HILL.

Chicago-Zitierstil (17. Ausg.)

COREY E R. PROBLEMS IN MARKETING. 6TH. NEW YORK: MCGRAW-HILL, 1985.

MLA-Zitierstil (9. Ausg.)

COREY E R. PROBLEMS IN MARKETING. 6TH. MCGRAW-HILL, 1985.