Richardson, J. E. (1990). Marketing 90 /91. Guilford.
Chicago Style (17th ed.) CitationRichardson, John E. Marketing 90 /91. Connecticut: Guilford, 1990.
MLA (9th ed.) CitationRichardson, John E. Marketing 90 /91. Guilford, 1990.
Warning: These citations may not always be 100% accurate.