Παραπομπή APA

Bartak, J. (2007). Underground space - the 4th dimension of Metropolises: Proceedings of the 33th ITA-AITES world tunnel, congress, Prague, Czech Republic 5-10 May 2007. London: Taylor & Francis.

Παραπομπή Chicago Style

Bartak, Jiri. Underground Space - the 4th Dimension of Metropolises: Proceedings of the 33th ITA-AITES World Tunnel, Congress, Prague, Czech Republic 5-10 May 2007. London: Taylor & Francis, 2007.

Παραπομπή MLA

Bartak, Jiri. Underground Space - the 4th Dimension of Metropolises: Proceedings of the 33th ITA-AITES World Tunnel, Congress, Prague, Czech Republic 5-10 May 2007. London: Taylor & Francis, 2007.

Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.