APA (7 वां संस्करण) प्रशस्ति पत्र

Härtel, A., Peters, M., & Kostev, K. (2022). Prevalence of Spirometry Testing among Patients with Asthma and COPD in German General Practices. Philipps-Universität Marburg. https://doi.org/10.3390/healthcare10122570

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Härtel, Annika, Maximilian Peters, और Karel Kostev. Prevalence of Spirometry Testing Among Patients with Asthma and COPD in German General Practices. Philipps-Universität Marburg, 2022. https://doi.org/10.3390/healthcare10122570.

एमएलए (9वां संस्करण) प्रशस्ति पत्र

Härtel, Annika, et al. Prevalence of Spirometry Testing Among Patients with Asthma and COPD in German General Practices. Philipps-Universität Marburg, 2022. https://doi.org/10.3390/healthcare10122570.