Cita APA (7a ed.)

WOODRUFFE HELEN. (1997). SERVICES MARKETING. MACMILLAN.

Cita Chicago Style (17a ed.)

WOODRUFFE HELEN. SERVICES MARKETING. NEW DELHI: MACMILLAN, 1997.

Cita MLA (9a ed.)

WOODRUFFE HELEN. SERVICES MARKETING. MACMILLAN, 1997.