D., S., J. et al.(1990).Techniques for construction network scheduling / James D. Stevens; Editor: B.J. Clark, Scott Amerman .New York:McGraw-Hill Publishing Company.
Gaya MLA
Stevens, James, D.. et al."Techniques for construction network scheduling / James D. Stevens; Editor: B.J. Clark, Scott Amerman".New York:McGraw-Hill Publishing Company,1990.Textbook.