Cita APA (7th ed.)

Petra, S., Nicole, B., Michael, N., & Meinhard, K. (2012). Quality of reporting of clinical non-inferiority and equivalence randomised trials - update and extension. BMC.

Cita Chicago (17th ed.)

Petra, Schiller, Burchardi Nicole, Niestroj Michael, i Kieser Meinhard. Quality of Reporting of Clinical Non-inferiority and Equivalence Randomised Trials - Update and Extension. BMC, 2012.

Cita MLA (9th ed.)

Petra, Schiller, et al. Quality of Reporting of Clinical Non-inferiority and Equivalence Randomised Trials - Update and Extension. BMC, 2012.