KRISHNA S. (1968). POSITIVE MARKETING. HEMKONT PRESS.
Cita Chicago (17th ed.)KRISHNA S. POSITIVE MARKETING. NEW DELHI: HEMKONT PRESS, 1968.
Cita MLA (9th ed.)KRISHNA S. POSITIVE MARKETING. HEMKONT PRESS, 1968.
Atenció: Aquestes cites poden no estar 100% correctes.