1. Tom Apostol, Mathematical Analysis, Second ed., Addison-Wesley Publishing Company, Reading, Massachusetts, 1974.
2. R. Creighton Buck, Advanced Calculus, McGraw-Hill Book Company, New York, 1965.
3. A Truly Elementary Approach to the Bounded Convergence Theorem
4. The abstract riemann integral and a theorem of G. Fichtenholz on equality of repeated riemann integrals. Ia
5. Walter Rudin, Real and Complex Analysis, McGraw-Hill Book Company, New York, 1974.