(1974). Population and its problems: A plain man's guide. Clarendon Press.
Chicago Style (17. basım) AtıfPopulation and Its Problems: A Plain Man's Guide. Oxford: Clarendon Press, 1974.
MLA (9th ed.) AtıfPopulation and Its Problems: A Plain Man's Guide. Clarendon Press, 1974.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..