Bassis, Michael S., author
McGraw-Hill, 1991
Buku Teks
Roucek, Joseph S., author
Littlefield, Adam, 1963
Buku Teks
Roucek, Joseph S., author
Bina Aksara, 1984
Buku Teks
Johnson, Allan G., author
Harcourt Brace, 1986
Buku Teks
Hurd, Geoffrey
Routledge , 1973
Buku Teks