Cita APA (7th ed.)

DUNCAN TOM. (1992). INSTRUCTOR`S MANUAL MARKETING. PRENTICE -HALL INTERNATIONAL; INC.

Cita Chicago (17th ed.)

DUNCAN TOM. INSTRUCTOR`S MANUAL MARKETING. NEW JERSEY; U.S.A: PRENTICE -HALL INTERNATIONAL; INC, 1992.

Cita MLA (9th ed.)

DUNCAN TOM. INSTRUCTOR`S MANUAL MARKETING. PRENTICE -HALL INTERNATIONAL; INC, 1992.