एपीए उद्धरण

Negus, V. E. (1931). Permanent Tracheostomy in a Case of Lupus of the Larynx.

शिकागो स्टाइल उद्धरण

Negus, V. E. Permanent Tracheostomy in a Case of Lupus of the Larynx. 1931.

एमएलए उद्धरण

Negus, V. E. Permanent Tracheostomy in a Case of Lupus of the Larynx. 1931.