Johnson, Keith, author
Blackwell Publishers, 2012
Buku Teks
Joos, Martin, author
Fakultas Sastra Universitas Indonesia, 1978
Buku Teks
Laver, John, author
Cambridge University Press, 1995
eBooks
Heffner, R.M.S., author
University of Wisconsin Press, 1960
Buku Teks
Abercrombie, David
Aldine, 1968
Buku Teks