(1978). System Of Cities. Oxford University Press.
Chicago Style (17th ed.) CitationSystem Of Cities. Oxford University Press, 1978.
MLA引文System Of Cities. Oxford University Press, 1978.
警告：这些引文格式不一定是100％准确.
APA引文
(1978). System Of Cities. Oxford University Press.
Chicago Style (17th ed.) CitationSystem Of Cities. Oxford University Press, 1978.
MLA引文System Of Cities. Oxford University Press, 1978.