Haugen, Edward B.
John Wiley & Sons, 1980
Buku Teks
Dwi Hastuty Slipiaty, author
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 1995
UI - Skripsi (Membership)
Sigit Supriyadi, author
2013
UI - Tesis (Membership)
Ross, Sheldon M., author
Elsevier , 2007
Buku Teks
Bauer, Heinz, author
Academic Press, 1981
Buku Teks