Dyfyniad APA

D.Lee, D. .. (1984). Industrial marketing research: Techniques & practices (2nd ed.). Van Nostrand Reinhold.

Dyfyniad Arddull Chicago

D.Lee, Donald .. Industrial Marketing Research: Techniques & Practices. 2nd ed. New York: Van Nostrand Reinhold, 1984.

Dyfyniad MLA

D.Lee, Donald .. Industrial Marketing Research: Techniques & Practices. 2nd ed. Van Nostrand Reinhold, 1984.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.