Triggs, H. I. (1909). Town planning, past, present and possible. Methuen & co.
Lua i Stíl Chicago (17ú heag.)Triggs, H. Inigo. Town Planning, Past, Present and Possible. London: Methuen & co, 1909.
Lua MLA (8ú heag.)Triggs, H. Inigo. Town Planning, Past, Present and Possible. Methuen & co, 1909.
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