Originál: Deborah A. Sheldon and Robert Sheldon. Lessons in Performance Book 1, Around the World - Clarinet 2. Wallaby Walkabout. CLT.
Překlad: Deborah A. Sheldon a Robert Sheldon. Lekce Performance Book 1, Kolem světa - klarinet 2. Noty. Klarinet. Deborah A. Sheldon. Robert Sheldon.