एपीए उद्धरण

Lombardi, W. L., & Gilbert, E. M. (2009). Carvedilol in the failing heart. Clin Cardiol.

शिकागो स्टाइल उद्धरण

Lombardi, William L., और Edward M. Gilbert. "Carvedilol in the Failing Heart." Clin Cardiol 2009.

एमएलए उद्धरण

Lombardi, William L., और Edward M. Gilbert. "Carvedilol in the Failing Heart." Clin Cardiol 2009.