APA aipamena

Roberts, E. H. (1972). Viability of seeds. Syracuse University Press.

Chicago Style aipamena

Roberts, Eric Hywel. Viability of Seeds. [Syracuse, N.Y.]: Syracuse University Press, 1972.

MLA aipamena

Roberts, Eric Hywel. Viability of Seeds. Syracuse University Press, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.