एपीए उद्धरण

Harris, C., Wise, J., & Oakley, C. M. (1971). "Fixed" splitting of the second heart sound in ventricular septal defect.

शिकागो स्टाइल उद्धरण

Harris, C., J. Wise, और C M. Oakley. "Fixed" Splitting of the Second Heart Sound in Ventricular Septal Defect. 1971.

एमएलए उद्धरण

Harris, C., J. Wise, और C M. Oakley. "Fixed" Splitting of the Second Heart Sound in Ventricular Septal Defect. 1971.