Cita APA (7a ed.)

WENTZ WALTER B. (1979). MARKETING. WEST PUBLICATIONS COMPANY.

Cita Chicago Style (17a ed.)

WENTZ WALTER B. MARKETING. BOSTON: WEST PUBLICATIONS COMPANY, 1979.

Cita MLA (9a ed.)

WENTZ WALTER B. MARKETING. WEST PUBLICATIONS COMPANY, 1979.