Williams, Joanna
Prafulla, 2005
Buku Teks
Yu, Mingguang
Yuelu Publishing House, 2006
Buku Teks
Agoes Ariesmunandar ; Davison, Julian ; Bromer, Bea ; Durmacay, Jacques
Archipelago Press, 1998
Buku Referensi
Sinaga, Bonatua Mangaraja
Universitas Indonesia, 2010
UI - Tesis (Open)
Scully, Vincent, Jr., 1920-2017
G. Braziller, 1974
Buku Teks