Παραπομπή APA

Barnes, D. W., & Barnes, D. W. M. (1975). An algebraic introduction to mathematical logic. Springer-Verlag.

Παραπομπή Chicago Style

Barnes, D. W., και D. W.; Mack Barnes. An Algebraic Introduction to Mathematical Logic. New York: Springer-Verlag, 1975.

Παραπομπή MLA

Barnes, D. W., και D. W.; Mack Barnes. An Algebraic Introduction to Mathematical Logic. Springer-Verlag, 1975.