Issel, L. Michele, author
Jones & Bartlett Learning, 2014
Buku Teks
Issel, L. Michele, author
Jones and Barlett Publ., 2004
Buku Teks
Dignan, Mark B., author
Lea & Febiger, 1981
Buku Teks
Waltner-Toews, David, 1948-, author
Cambridge University Press, 2004
Buku Teks
McMurray, Anne, author
Harcourt Mosby, 1999
Buku Teks