APA aipamena

Steenrod, N. E. (1962). Cohomology operations. Princeton, N.J.: Princeton University Press.

Chicago Style aipamena

Steenrod, Norman Earl. Cohomology Operations. Princeton, N.J.: Princeton University Press, 1962.

MLA aipamena

Steenrod, Norman Earl. Cohomology Operations. Princeton, N.J.: Princeton University Press, 1962.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.