APA ציטוט

.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.

ציטוט MLA

.Warren, Robert H. Motivation and Productivity in the Construction Industry. Van Nostrand Reinhold, 1989.