Balakrishnan, V. K. (1991). Introductory discrete mathematics. Prentice Hall International.
Chicago Style aipamenaBalakrishnan, V. K. Introductory Discrete Mathematics. Englewood Cliffs, N.J: Prentice Hall International, 1991.
MLA aipamenaBalakrishnan, V. K. Introductory Discrete Mathematics. Prentice Hall International, 1991.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.