APA-viite (7. p.)

Sevdalis, N., Undre, S., Henry, J., Sydney, E., Koutantji, M., Darzi, A., & Vincent, C. (2009). Development, initial reliability and validity testing of an observational tool for assessing technical skills of operating room nurses.

Chicago-viite (17. p.)

Sevdalis, N., S. Undre, J. Henry, E. Sydney, M. Koutantji, A. Darzi, ja C. Vincent. Development, Initial Reliability and Validity Testing of an Observational Tool for Assessing Technical Skills of Operating Room Nurses. 2009.

MLA-viite (9. p.)

Sevdalis, N., et al. Development, Initial Reliability and Validity Testing of an Observational Tool for Assessing Technical Skills of Operating Room Nurses. 2009.