APA (7 वां संस्करण) प्रशस्ति पत्र
Voelkel, N. F. (2011). Pulmonary hypertension: The present and future. People's Medical Publishing House.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Voelkel, Norbert F. Pulmonary Hypertension: The Present and Future. Shelton, Connecticut: People's Medical Publishing House, 2011.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Voelkel, Norbert F. Pulmonary Hypertension: The Present and Future. People's Medical Publishing House, 2011.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.