APA aipamena

Harzheim, E. (2005). Ordered sets. Springer.

Chicago Style aipamena

Harzheim, Egbert. Ordered Sets. New York: Springer, 2005.

MLA aipamena

Harzheim, Egbert. Ordered Sets. Springer, 2005.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.