एपीए उद्धरण

South, J. (1972). Maternal influenza and perinatal mortality.

शिकागो स्टाइल उद्धरण

South, J. Maternal Influenza and Perinatal Mortality. 1972.

एमएलए उद्धरण

South, J. Maternal Influenza and Perinatal Mortality. 1972.