@book{knight2008advanced,
  title = {Advanced Research Methods in the Built Environment}
  author = {Knight, Andrew; Ruddock, Les},
  publisher = {Wiley-Blackwell},
  url = {https://www.wiley.com/en-us/Advanced+Research+Methods+in+the+Built+Environment-p-9781405161107#:~:text=Advanced%20Research%20Methods%20in%20the%20Built%20Environment%20addresses%20common%20topics,role%20of%20theory%20in%20research.},
  year = {2008}
}