APA-viite (7. p.)

Bulatov, A., Jeavons, P., & Volkov, M. (2002). Finite semigroups imposing tractable constraints. World Scientific‚ Singapore.

Chicago-viite (17. p.)

Bulatov, A., P. Jeavons, ja M. Volkov. Finite Semigroups Imposing Tractable Constraints. World Scientific‚ Singapore, 2002.

MLA-viite (9. p.)

Bulatov, A., et al. Finite Semigroups Imposing Tractable Constraints. World Scientific‚ Singapore, 2002.