एपीए उद्धरण

Rafnsson, V., & Gunnarsdóttir, H. (1990). Mortality study of fertiliser manufacturers in Iceland.

शिकागो स्टाइल उद्धरण

Rafnsson, V., और H. Gunnarsdóttir. Mortality Study of Fertiliser Manufacturers in Iceland. 1990.

एमएलए उद्धरण

Rafnsson, V., और H. Gunnarsdóttir. Mortality Study of Fertiliser Manufacturers in Iceland. 1990.