Oliver, K., Innvar, S., Lorenc, T., Woodman, J., & Thomas, J. (2014). A systematic review of barriers to and facilitators of the use of evidence by policymakers. BioMed Central.
Chicago-tyylinen lähdeviittausOliver, Kathryn, Simon Innvar, Theo Lorenc, Jenny Woodman, ja James Thomas. A Systematic Review of Barriers to and Facilitators of the Use of Evidence By Policymakers. BioMed Central, 2014.
MLA-viiteOliver, Kathryn, et al. A Systematic Review of Barriers to and Facilitators of the Use of Evidence By Policymakers. BioMed Central, 2014.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.