एपीए उद्धरण

Northcott, D. G. (1980). Affine sets and affine groups. Cambridge University Press.

शिकागो स्टाइल उद्धरण

Northcott, Douglan Geoffrey. Affine Sets and Affine Groups. Cambrdige: Cambridge University Press, 1980.

एमएलए उद्धरण

Northcott, Douglan Geoffrey. Affine Sets and Affine Groups. Cambridge University Press, 1980.