Gleason, H.A.
An introduction to descriptive linguistics
Holt, Rinehart and Winston, 1955
 Buku Teks SO
Gleason, H.A.
An introduction to descriptive linguistics
Holt, Rinehart and Winston, 1955
 Buku Teks SO
Applied Linguistics
Oxford, England : Oxford University Press
 Majalah, Jurnal, Buletin
Barker, Miltos E.
Linguistics : the work of the summer intitute of linguistics in the far east
Hongkong : Hongkong University, 1960/1961
 Buku Teks
Lingua : international review of general linguistics
Amsterdam : North-Holland Publishing
 Majalah, Jurnal, Buletin