APA (7 वां संस्करण) प्रशस्ति पत्र

Perkins, C. E. (1916). A manual of otology for students and practitioners. Lea & Febiger.

शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र

Perkins, Charles Edwin. A Manual of Otology for Students and Practitioners. Philadelphia: Lea & Febiger, 1916.

एमएलए (8वां संस्करण) प्रशस्ति पत्र

Perkins, Charles Edwin. A Manual of Otology for Students and Practitioners. Lea & Febiger, 1916.