Levi, L., & Anderson, L. Population, environment and quality of life. Royal Ministry of Foreign Affairs.
Cita Chicago Style (17a ed.)Levi, Lennart, y Lars Anderson. Population, Environment and Quality of Life. Stockolm: Royal Ministry of Foreign Affairs.
Cita MLA (9a ed.)Levi, Lennart, y Lars Anderson. Population, Environment and Quality of Life. Royal Ministry of Foreign Affairs.
Precaución: Estas citas no son 100% exactas.