Helen Forgasz
Springer, 2012
eBooks
Wardiman Djojonegoro, author
Ministry of Education and Culture , 1994
Buku Teks
Albert Zeyer
Springer, 2012
eBooks
M.K. (Muhammad Kamil) Tadjudin, author
UI-Press, 1998
Buku Teks
Dooley, Thomas A.
Farrar, Straus and Company, 1958
Buku Teks