Pike, Kenneth Lee, 1912-2000
Summer institute of linguistics, 1946
Buku Teks SO
Bettetini, Gianfranco
Mouton, 1973
Buku Teks SO
Hyland, Ken
Cambridge University Press, 2007
Buku Teks SO
Rilly, Claude
Cambridge University Press, 2012
eBooks
Miller, Alan R.
Tech Publications & Sybex, c1986
Buku Teks SO