(1976). Principles And Practices Of Heavy Construction / Ronald C. Smith. Prentice Hall.
Čikaški stil citiranja (17. izdanje)Principles And Practices Of Heavy Construction / Ronald C. Smith. Prentice Hall, 1976.
MLA način citiranja (8. izdanje)Principles And Practices Of Heavy Construction / Ronald C. Smith. Prentice Hall, 1976.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.