Lutz, W. (1996). The future population of the world: What can we assume today? (Rev. ed.). IIASA.
芝加哥风格引文Lutz, Wolfgang. The Future Population of the World: What Can We Assume Today? Rev. ed. Laxenburg: IIASA, 1996.
MLA引文Lutz, Wolfgang. The Future Population of the World: What Can We Assume Today? Rev. ed. IIASA, 1996.
警告：这些引文格式不一定是100％准确.