D.Lee, D. .. (1984). Industrial marketing research: Techniques & practices (2nd ed.). Van Nostrand Reinhold.
Цитирование в стиле Чикаго (17-е изд.)D.Lee, Donald .. Industrial Marketing Research: Techniques & Practices. 2nd ed. New York: Van Nostrand Reinhold, 1984.
Цитирование MLA (9-е изд.)D.Lee, Donald .. Industrial Marketing Research: Techniques & Practices. 2nd ed. Van Nostrand Reinhold, 1984.