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.
Παραπομπή σε μορφή Chicago (17η εκδ.)Concrete Institute of Australia. N.S.W. Branch και 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.
Παραπομπή σε μορφή MLA (8th εκδ.)Concrete Institute of Australia. N.S.W. Branch και Australian Underground Construction and Tunnelling Association. Building with Shotcrete: Wednesday, 12 March 1997 North Sydney Leagues Club ; a Seminar. Concrete Institute of Australia, 1997.