(1973). Resources and population. Academic Press.
Chicago Style (17th ed.) CitationResources and Population. London: Academic Press, 1973.
MLA引文Resources and Population. Academic Press, 1973.
警告：這些引文格式不一定是100％准確.
APA引文
(1973). Resources and population. Academic Press.
Chicago Style (17th ed.) CitationResources and Population. London: Academic Press, 1973.
MLA引文Resources and Population. Academic Press, 1973.