Gaya APA
Hudson, W, R., Hass, R. (1997).
Infrastructure Management : Integrating Design, Construction, Maintenance, Rehabilitation, and Renovation .
New York:
McGraw-Hill.
Gaya MLA
Hudson, W., Ronald., Hass, Ralph.
"Infrastructure Management : Integrating Design, Construction, Maintenance, Rehabilitation, and Renovation".
New York:
McGraw-Hill,
1997.
Buku.