Gaya APA

Henning, J.E.. (1995). Ventilation and air cleaning technology for road tunnels . : Piarc.

Gaya Chicago

Henning, J.E.. Ventilation and air cleaning technology for road tunnels. : Piarc, 1995. Computer Software.

Gaya MLA

Henning, J.E.. Ventilation and air cleaning technology for road tunnels. : Piarc, 1995. Computer Software.

Gaya Turabian

Henning, J.E.. Ventilation and air cleaning technology for road tunnels. : Piarc, 1995. Computer Software.