.Warren, R. H. (1989). Motivation and productivity in the construction industry. Van Nostrand Reinhold.
Chicago Style (17th ed.) Citation.Warren, Robert H. Motivation and Productivity in the Construction Industry. New York: Van Nostrand Reinhold, 1989.
MLA引文.Warren, Robert H. Motivation and Productivity in the Construction Industry. Van Nostrand Reinhold, 1989.
警告：這些引文格式不一定是100％准確.