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.