(1976). Human settlements. s.n.
Chicago Style (17th ed.) CitationHuman Settlements. s.n, 1976.
MLA (8th ed.) CitationHuman Settlements. s.n, 1976.
Advarsel: Disse citationer er muligvist ikke 100% nøjagtige.
(1976). Human settlements. s.n.
Chicago Style (17th ed.) CitationHuman Settlements. s.n, 1976.
MLA (8th ed.) CitationHuman Settlements. s.n, 1976.