edited by King-yuh Chang
Institute of International Relations, National Chengchi University, 1988
Buku Teks
Brecht, Arnold
Princenton University Press, 1968
Buku Teks
Roelofs, H. Mark
The Dorsey press, 1968
Buku Teks
Crockatt, Richard
Oxford University Press, 2016
eBooks
edited by Mary Hawkesworth, Maurice Kogan
Routledge, 1992
Buku Referensi