Nikolas Barrall (5 kníh)
- Irene Barrall, Nikolas Barrall Intelligent Business - Elementary EN Detail
- Irene Barrall, Nikolas Barrall Intelligent Business - Elementary EN Detail
- Irene Barrall, Nikolas Barrall Intelligent Business - Elementary EN Detail
- Irene Barrall, Nikolas Barrall Intelligent Business - Elementary EN Detail
- Irene Barrall, Nikolas Barrall Intelligent Business - Pre-Intermediate EN Detail