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.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Concrete Institute of Australia. N.S.W. Branch و 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.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Concrete Institute of Australia. N.S.W. Branch و Australian Underground Construction and Tunnelling Association. Building with Shotcrete: Wednesday, 12 March 1997 North Sydney Leagues Club ; a Seminar. Concrete Institute of Australia, 1997.