Greene, Donald Johnson
Kennikat Press, 1960
Buku Teks SO
disunting oleh Frans Bona Sihombing
Ghalia Indonesia, 1984
Buku Teks SO
Sony Iriawan
Universitas Pertahanan, 2018
Artikel Jurnal
Brissenden, R.F. [Robert Francis], 1928-1991
Published for the British Council and the National Book League by Longmans, Green & Co, 1958
Buku Teks SO
Bambang Buddhiman
Fakultas Ilmu Sosial dan Ilmu Politik Universitas Indonesia, 1986
UI - Skripsi Membership