Walter, Paul A.F., author
McGraw-Hill, 1952
Buku Teks
Taylor, Paul C., author
Polity Press, 2013
Buku Teks
Fatima Kamila, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2019
UI - Tugas Akhir
Benedict, Ruth, author
The Viking Press, 1947
Buku Teks
by L. C. Dunn [and others]
The Unesco Press, 1956
Buku Teks