Riddell, R. (2004). Sustainable urban planning: Tipping the balance. Blackwell.
Tohutoru Kātū Chicago (17th ed.)Riddell, Robert. Sustainable Urban Planning: Tipping the Balance. Oxford: Blackwell, 2004.
Tohutoro MLA (9th ed.)Riddell, Robert. Sustainable Urban Planning: Tipping the Balance. Blackwell, 2004.
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