ARCO The 1st Name in College Guides
Macmillan General Reference, 1994
Buku Referensi
Asa S. Knowles, editor-in-chief.
McGraw-Hill, 1970
Buku Referensi
Eckel, JR Peter J.
AVI Publishing, 1985
Buku Teks
Sulkin, Sidney
Harper & Row, 1968
Buku Teks
Agus Setiawan, author
Program Pascasarjana Universitas Indonesia, 2006
UI - Tesis (Membership)