Ledefoged, Peter
Univeersity of Chicago Press, 1971
Buku Teks
Pike, Kenneth L. (Kenneth Lee), 1912-2000, author
Summer institute of linguistics, 1946
Buku Teks
Pullum, G.K.
University of Chicago Press, 1986
Buku Teks
Pike, Kenneth L. (Kenneth Lee), 1912-2000, author
The University of Michigan Press, 1947
Buku Teks
Ogden, Richard, author
Edinburgh University Press, 2017
Buku Teks