Kahane, Howard, author
Wadsworth, 1992
Buku Teks
Warnick, Barbara, 1946-, author
Macmillan, 1994
Buku Teks
Inch, Edward S., author
Pearson Education, 2015
Buku Teks
Feldman, Richard, author
Prentice-Hall, 1999
Buku Teks
Salmon, Merrilee H., author
Wadsworth, 2013
Buku Teks