APA aipamena

(1992). Science at the frontier. Washington, D.C: National Academy Press.

Chicago Style aipamena

Science At the Frontier. Washington, D.C: National Academy Press, 1992.

MLA aipamena

Science At the Frontier. Washington, D.C: National Academy Press, 1992.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.