Bogert, George Gleason
Ginn and Company, 1941
Buku Teks
Hardiyanti Munsi, author
Universitas Indonesia, 2015
UI - Tesis (Membership)
Madura, Jeff, author
South-Western College, 2001
Buku Teks
Straub, Joseph T., author
Kent, 1985
Buku Teks
oleh Lamuddin Finoza [and others]
Nina Dinamika, 1983
Buku Teks