APA (7 वां संस्करण) प्रशस्ति पत्र

Ballenger, W. L., & Ballenger, H. C. (1930). Diseases of the nose, throat and ear: Medical and surgical (6th ed.). Lea & Febiger.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Ballenger, William Lincoln, और Howard Charles Ballenger. Diseases of the Nose, Throat and Ear: Medical and Surgical. 6th ed. Philadelphia: Lea & Febiger, 1930.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Ballenger, William Lincoln, और Howard Charles Ballenger. Diseases of the Nose, Throat and Ear: Medical and Surgical. 6th ed. Lea & Febiger, 1930.