Cron, R. L. (1974). Assuring customer satisfaction: A guide for business and industry. Van Nostrand Reinhold Company.
Chicago-стиль цитированияCron, Rodney L. Assuring Customer Satisfaction: A Guide for Business and Industry. New York: Van Nostrand Reinhold Company, 1974.
MLA-цитированиеCron, Rodney L. Assuring Customer Satisfaction: A Guide for Business and Industry. Van Nostrand Reinhold Company, 1974.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.