- One-dimensional Variational Problems: An Introduction (Oxford Lecture Series in Mathematics and Its Applications, 15)
- Mathematical Analysis: Foundations and Advanced Techniques for Functions of Several Variables
- Calculus of Variations I
- Cartesian Currents in the Calculus of Variations I: Cartesian Currents
- Cartesian Currents in the Calculus of Variations II: Variational Integrals