APA aipamena

Brualdi, R. A. Introductory Combinatorics (4th.).

Chicago Style aipamena

Brualdi, Richard A. Introductory Combinatorics. 4th.

MLA aipamena

Brualdi, Richard A. Introductory Combinatorics. 4th.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.