Arup Group Ltd. (2013). 50 design questions answered. Arup Design Book produced and published for Arup by Wardour.
Lua i Stíl Chicago (17ú heag.)Arup Group Ltd. 50 Design Questions Answered. London, United Kingdom: Arup Design Book produced and published for Arup by Wardour, 2013.
Lua MLA (8ú heag.)Arup Group Ltd. 50 Design Questions Answered. Arup Design Book produced and published for Arup by Wardour, 2013.
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