Soderman, Sten
Edward Elgar, 2013
Buku Teks
edited by Linda K. Bunker, Robert J. Rotella, Ann Relly
McNanghton and Gunn, 1985
Buku Teks
edited by Robert N. Singer, Milledge Murphey and L. Keith Tennat
Macmillan, 1993
Buku Referensi
Aristia Fathah
2019
UI - Skripsi (Membership)
Agus Wahyudin
Program Pascasarjana Universitas Indonesia, 2004
UI - Tesis (Membership)