एपीए उद्धरण

Berg,,Gerald, & Berg , G.. (1978). Indicators of viruses in water and food. Ann arbor science.

शिकागो स्टाइल उद्धरण

Berg,,Gerald, और Gerald Berg. Indicators of Viruses in Water and Food. Michigan: Ann arbor science, 1978.

एमएलए उद्धरण

Berg,,Gerald, और Gerald Berg. Indicators of Viruses in Water and Food. Ann arbor science, 1978.