Barbour, I. G. (1976). Finite resources and the human future. Augsburg.
芝加哥风格引文Barbour, Ian G. Finite Resources and the Human Future. Minnesota: Augsburg, 1976.
MLA引文Barbour, Ian G. Finite Resources and the Human Future. Augsburg, 1976.
警告：这些引文格式不一定是100％准确.