Truswell, Robert. "Architectural Issues." Events, Phrases, and Questions. : Oxford University Press, 2011-01-20. Oxford Scholarship Online. 2011-05-01. Date Accessed 23 May. 2013 <http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199577774.001.0001/acprof-9780199577774-chapter-8>.
Truswell, R.(2011-01-20). Architectural Issues. In Events, Phrases, and Questions. : Oxford University Press. Retrieved 23 May. 2013, from http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199577774.001.0001/acprof-9780199577774-chapter-8.
Truswell, Robert. "Architectural Issues." In Events, Phrases, and Questions. : Oxford University Press, 2011-01-20. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199577774.001.0001/acprof-9780199577774-chapter-8.
Truswell R. Architectural Issues. In: Truswell R. Events, Phrases, and Questions. Oxford University Press; 2011. http://www.oxfordscholarship.com/view/10.1093/acprof:oso/9780199577774.001.0001/acprof-9780199577774-chapter-8. Accessed May 23, 2013.