University of London , 1987
Buku Teks
Sheying Chen, Jason L. Powell, editor
[Springer, ], 2012
eBooks
Bruun, Ole, author
NIAS Press, 2011
Buku Teks
Aldrin Erwinsyah, author
Universitas Indonesia, 2011
UI - Tesis (Open)
Schwartz, Harry, author
Atheneum, 1966
Buku Teks