(1976). Human settlements. s.n.
Chicago Style (17th ed.) CitationHuman Settlements. s.n, 1976.
MLA引文Human Settlements. s.n, 1976.
警告：這些引文格式不一定是100％准確.
APA引文
(1976). Human settlements. s.n.
Chicago Style (17th ed.) CitationHuman Settlements. s.n, 1976.
MLA引文Human Settlements. s.n, 1976.