APA-viite (7. p.)

Conroy, E., Rosala-Hallas, A., Blazeby, J., Burnside, G., Cook, J., & Gamble, C. (2018). Randomised trials involving surgery did not routinely report considerations of learning and clustering effects. Elsevier.

Chicago-viite (17. p.)

Conroy, E., A. Rosala-Hallas, J. Blazeby, G. Burnside, J. Cook, ja C. Gamble. Randomised Trials Involving Surgery Did Not Routinely Report Considerations of Learning and Clustering Effects. Elsevier, 2018.

MLA-viite (9. p.)

Conroy, E., et al. Randomised Trials Involving Surgery Did Not Routinely Report Considerations of Learning and Clustering Effects. Elsevier, 2018.