Gould, F. E. (2003). Construction project management 2003. Prentice Hall.
Chicago Style aipamenaGould, Frederick E. Construction Project Management 2003. Prentice Hall, 2003.
MLA aipamenaGould, Frederick E. Construction Project Management 2003. Prentice Hall, 2003.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.