DIBBS OWEN. (1988). PROMOTING SALES. INTERNATIONAL LABOUR ORGANIZATION.
Cita Chicago (17th ed.)DIBBS OWEN. PROMOTING SALES. BOMBAY: INTERNATIONAL LABOUR ORGANIZATION, 1988.
Cita MLA (9th ed.)DIBBS OWEN. PROMOTING SALES. INTERNATIONAL LABOUR ORGANIZATION, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.