APA (7th ed.) Citation

Filer, C. S., & Jackson, R. (1989). The social and economic impact of a gold mine in Lihir. [nd.].

Chicago Style (17th ed.) Citation

Filer, C. S., and R.T Jackson. The Social and Economic Impact of a Gold Mine in Lihir. Port Moresby: [nd.], 1989.

MLA (9th ed.) Citation

Filer, C. S., and R.T Jackson. The Social and Economic Impact of a Gold Mine in Lihir. [nd.], 1989.