APA (7e ed.) Bronvermelding

International Institute for Environment and Development & World Resources Institute. (1987). World resources 1987: An assessment of the resource base that support the global economy, eight data table for 146 countries. Basic Books Inc.

Chicago (17e ed.) Bronvermelding

International Institute for Environment and Development en World Resources Institute. World Resources 1987: An Assessment of the Resource Base That Support the Global Economy, Eight Data Table for 146 Countries. New York: Basic Books Inc, 1987.

MLA (9e ed.) Bronvermelding

International Institute for Environment and Development en World Resources Institute. World Resources 1987: An Assessment of the Resource Base That Support the Global Economy, Eight Data Table for 146 Countries. Basic Books Inc, 1987.