Lua APA (7ú heag.)

Concrete Institute of Australia. N.S.W. Branch & Australian Underground Construction and Tunnelling Association. (1997). Building with shotcrete: Wednesday, 12 March 1997 North Sydney Leagues Club ; a seminar. Concrete Institute of Australia.

Lua i Stíl Chicago (17ú heag.)

Concrete Institute of Australia. N.S.W. Branch agus Australian Underground Construction and Tunnelling Association. Building with Shotcrete: Wednesday, 12 March 1997 North Sydney Leagues Club ; a Seminar. North Sydney, NSW: Concrete Institute of Australia, 1997.

Lua MLA (8ú heag.)

Concrete Institute of Australia. N.S.W. Branch agus Australian Underground Construction and Tunnelling Association. Building with Shotcrete: Wednesday, 12 March 1997 North Sydney Leagues Club ; a Seminar. Concrete Institute of Australia, 1997.

Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.