एपीए उद्धरण

Kolymbas, D. (2005). Tunnelling and tunnel mechanics: A rational approach to tunnelling. Springer-Verlag.

शिकागो स्टाइल उद्धरण

Kolymbas, D. Tunnelling and Tunnel Mechanics: A Rational Approach to Tunnelling. Berlin: Springer-Verlag, 2005.

एमएलए उद्धरण

Kolymbas, D. Tunnelling and Tunnel Mechanics: A Rational Approach to Tunnelling. Springer-Verlag, 2005.