Gart, Alan
McGraw-Hill , 1984
Buku Teks
Saunders, Anthony, author
McGraw-Hill, 2008
Buku Teks
Gozha Primanda, author
Universitas Indonesia, 2014
UI - Skripsi (Membership)
Coggins, Bruce, author
Edward Elgar, 1998
Buku Teks
Mulford, Charless W., author
PPM, 2010
Buku Teks