International Conference on Occupational Health & Safety in the Minerals Industry Perth, Western Australia. (1990). Minesafe international 1990, Perth, Western Australia, 10-14 September: An international conference on occupational health & safety in the minerals industry. s.n.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रInternational Conference on Occupational Health & Safety in the Minerals Industry Perth, Western Australia. Minesafe International 1990, Perth, Western Australia, 10-14 September: An International Conference on Occupational Health & Safety in the Minerals Industry. [S.l: s.n, 1990.
एमएलए (9वां संस्करण) प्रशस्ति पत्रInternational Conference on Occupational Health & Safety in the Minerals Industry Perth, Western Australia. Minesafe International 1990, Perth, Western Australia, 10-14 September: An International Conference on Occupational Health & Safety in the Minerals Industry. s.n, 1990.