Brown, Dale, author
Time Life, 1974
Buku Teks
Brown, Dale, author
Time-Life Books, 1972
Buku Teks
edited William P. Lineberry
H.W. Wilson, 1963
Buku Teks
Pasaribu, Rhesa Leosandy, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2012
UI - Skripsi (Open)
Krakauer, Jon
Tian Xia Wen Hua Chu Ban Gongsi, 1998
Buku Teks