Hilmi, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2004
UI - Tesis (Membership)
edited by Barrett H. Clark and George Freedley
D. Appleton-Century, 1947
Buku Teks
Krasner, David, 1952-, author
Wiley Balckwell, 2016
Buku Teks
edited by Brian Docherty
Macmillan, 1994
Buku Teks
Berkowitz, Gerald M., author
Longman, 1994
Buku Teks