Hurley, Morris E.
Prentice-Hall, 1956
Buku Teks
Pride, William M., author
Hougton-Mifflin, 1988
Buku Teks
Hornby, Win, author
Prentice-Hall, 2001
Buku Teks
Smith, George Albert, author
Richard D. Irwin, 1960
Buku Teks
Remeiliza Fitri, author
2019
UI - Tesis (Membership)