Oliver, P. (1997). Research for business marketing and education. NTC Pub.
Cita Chicago Style (17a ed.)Oliver, Paul. Research for Business Marketing and Education. Lincolnwood, IL: NTC Pub, 1997.
Cita MLA (8a ed.)Oliver, Paul. Research for Business Marketing and Education. NTC Pub, 1997.
Precaución: Estas citas no son 100% exactas.