APA

Australian International Development Assistance Bureau, Gordon S. & Tunstall D. B. (1995). World directory of country environmental studies. Washington: World Resources Institute.

Chicago

Australian International Development Assistance Bureau, Gordon Sean and Tunstall Daniel B. 1995. World directory of country environmental studies. Washington: World Resources Institute.

Harvard

Australian International Development Assistance Bureau, Gordon S. and Tunstall D. B. (1995). World directory of country environmental studies. Washington: World Resources Institute.

MLA

Australian International Development Assistance Bureau, Gordon Sean and Tunstall Daniel B. World directory of country environmental studies. Washington: World Resources Institute. 1995.