(1973). Resources and population. Academic Press.
芝加哥风格引文Resources and Population. London: Academic Press, 1973.
MLA引文Resources and Population. Academic Press, 1973.
警告:这些引文格式不一定是100%准确.
(1973). Resources and population. Academic Press.
芝加哥风格引文Resources and Population. London: Academic Press, 1973.
MLA引文Resources and Population. Academic Press, 1973.