Dozier, Edward P.
Holt, Rinehart and Winston, 1967
Buku Teks
Claus, Edward P.
Lea & Febiger, 1961
Buku Teks
Hawthorne, Edward P.
McGraw-Hill c., 1978
Buku Teks
Lynch, Edward P.
John Wiley & Sons, 1980
Buku Teks
Gieser, Carl Richard, author
Summer Institute of Linguistics, 1963
Buku Teks