APA
Worchester R. M. (., Downham J. (., . (1978). Consumer market research handbook. New York: Van Nostrand Reinhold Company.
Chicago
Worchester Robert M (Ed.), Downham John (Ed.), . 1978. Consumer market research handbook. New York: Van Nostrand Reinhold Company.
Harvard
Worchester R. M. (., Downham J. (., . (1978). Consumer market research handbook. New York: Van Nostrand Reinhold Company.
MLA
Worchester Robert M (Ed.), Downham John (Ed.), . Consumer market research handbook. New York: Van Nostrand Reinhold Company. 1978.
