Παραπομπή σε μορφή APA (7η εκδ.)

Rees, S., Crocker, J., Locock, L., Petit-Zeman, S., Chant, A., Treweek, S., . . . Bulbulia, R. (2015). Developing a patient and public involvement intervention to enhance recruitment and retention in surgical trials (PIRRIST): Study protocol. BioMed Central.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Rees, S., et al. Developing a Patient and Public Involvement Intervention to Enhance Recruitment and Retention in Surgical Trials (PIRRIST): Study Protocol. BioMed Central, 2015.

Παραπομπή σε μορφή MLA (9th εκδ.)

Rees, S., et al. Developing a Patient and Public Involvement Intervention to Enhance Recruitment and Retention in Surgical Trials (PIRRIST): Study Protocol. BioMed Central, 2015.