Cita APA (7a ed.)

BERRY LEONARD L. (1991). MARKETING SERVICES: COMPETING THROUGH QUALITY. FREE PRESS.

Cita Chicago Style (17a ed.)

BERRY LEONARD L. MARKETING SERVICES: COMPETING THROUGH QUALITY. NEW YORK: FREE PRESS, 1991.

Cita MLA (9a ed.)

BERRY LEONARD L. MARKETING SERVICES: COMPETING THROUGH QUALITY. FREE PRESS, 1991.