Originalus: Piano Technique Book 1. Fred Kern. Composed by Fred Kern, Mona Rejino, Phillip Keveren, and Barbara Kreader. For Piano.
Vertimas: Pianinas Technika Užsakyti 1. Sudaro Fred Kern, Mona Rejino Phillip Keveren ir Barbara Kreader. Fredas Kern. Pianinas metodas natos.