Siefkes, D. (1970). Büchi's Monadic second order successor arithmetic. Springer-Verlag.
Cita Chicago (17th ed.)Siefkes, Dirk. Büchi's Monadic Second Order Successor Arithmetic. Berlín: Springer-Verlag, 1970.
Cita MLA (9th ed.)Siefkes, Dirk. Büchi's Monadic Second Order Successor Arithmetic. Springer-Verlag, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.