APA način citiranja

Kersting, C., Barzel, A., & Mortsiefer, A. (2021). Mixed-methods approach to develop an agreed concept on patient relevance: Study protocol for the ‘PRO patients study’. BMJ Open.

Čikaški stil citiranja

Kersting, Christine, Anne Barzel, i Achim Mortsiefer. "Mixed-methods Approach to Develop an Agreed Concept On Patient Relevance: Study Protocol for the ‘PRO Patients Study’." BMJ Open 2021.

MLA način citiranja

Kersting, Christine, Anne Barzel, i Achim Mortsiefer. "Mixed-methods Approach to Develop an Agreed Concept On Patient Relevance: Study Protocol for the ‘PRO Patients Study’." BMJ Open 2021.