Manistry Foreign Affair, 1974
Buku Teks
Ministry of Foreign Affairs, 1976
Buku Teks SO
Combs, Arthur W.
Alyn and bacan , 1970
Buku Teks SO
Whitfield, Charles L.
Health Communicational, 1993
Buku Teks SO
Sarrah Hasyim Abdullah
Fakultas Psikologi Universitas Indonesia, 2015
UI - Skripsi Membership