Valentia, Erich
Gemenschaff, 1957
Buku Teks
Valentin, Erich
Deutsche Buch Eeminschaft , 1958
Buku Teks
Summer Institute of Linguistics (Philippines) : Linguistic Society of the Philippines, 1981
Buku Teks
Slamet Riyadi
Program Pascasarjana Universitas Indonesia, 2013
UI - Tesis (Membership)
Brissenden, R.F. (Robert Francis), 1928-1991
Published for the British Council and the National Book League by Longmans, Green & Co, 1958
Buku Teks