Choudhary Pran & Others. (1992). Successful Sales Promotion. Orient Longman.
Cita Chicago (17th ed.)Choudhary Pran & Others. Successful Sales Promotion. Hyderabad: Orient Longman, 1992.
Cita MLA (9th ed.)Choudhary Pran & Others. Successful Sales Promotion. Orient Longman, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.