एपीए उद्धरण

Gibbes, J. H. (1929). Obstruction of the Superior Vena Cava.

शिकागो स्टाइल उद्धरण

Gibbes, J. Heyward. Obstruction of the Superior Vena Cava. 1929.

एमएलए उद्धरण

Gibbes, J. Heyward. Obstruction of the Superior Vena Cava. 1929.