Katula, Richard A., author
Little, Brown and Company, 1983
Buku Teks
Hughes, Rebecca, author
Pearson Education, 2002
Buku Teks
Buys, William E.
National Textbook Cmopany, 1994
Buku Referensi
Rifki Feriandi, author
Peniti Media, 2014
Buku Teks
Yaguello, Marina, author
Editions Du Seuil, 2006
Buku Teks