Palmer, W. . A., Manus, M., & Lethco, A. V. (1984). Piano: Teacher's guide to lesson books 1A & 1B. Alfred Pub.
Lua i Stíl Chicago (17ú heag.)Palmer, Willard A., Morton Manus, agus Amanda Vick Lethco. Piano: Teacher's Guide to Lesson Books 1A & 1B. Van Nuys, Calif: Alfred Pub, 1984.
Lua MLA (9ú heag.)Palmer, Willard A., et al. Piano: Teacher's Guide to Lesson Books 1A & 1B. Alfred Pub, 1984.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.