Elmes, David G.
Salemba Humanika, 2014
Buku Teks
Shaughnessy, John J., author
McGraw-Hill, 2012
Buku Teks
Shaughnessy, John J., author
McGraw-Hill, 1990
Buku Teks
Shaughnessy, John J., author
McGraw Hil , 2015
Buku Teks
Elmes, David G, author
Thomson/Wadsworth, 2006
Buku Teks