Koo, Vi Kyuin Wellington
New York: Columbia University : Longmans : Green, 1912
Buku Teks
Peking : China Pictorial
Majalah, Jurnal, Buletin
Situmorang, Estherlita Amelia, author
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 1993
UI - Skripsi (Membership)
Taylor, George E.
New York Institute of Pasific Relations 1940
Buku Teks
Boulder Westview Press 1992,
Buku Teks