Bell, J. L., & Bell, J. L. a. B. (1985). Boolean-valued models and independence: Proofs in set theory (2nd ed.). Clarendon Pr..
Chicago-viite (17. p.)Bell, John Lane, ja John Lane and Bell Bell. Boolean-valued Models and Independence: Proofs in Set Theory. 2nd ed. Oxford: Clarendon Pr., 1985.
MLA-viite (9. p.)Bell, John Lane, ja John Lane and Bell Bell. Boolean-valued Models and Independence: Proofs in Set Theory. 2nd ed. Clarendon Pr., 1985.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.