by Robert C. Kolodny [and others]
Little, Brown , 1999
Buku Teks
Woods, Nancy Fugate, author
Mosby, 1984
Buku Teks
[publisher not identified], [date of publication no identified]
Buku Teks
[publisher not identified], [date of publication no identified]
Buku Teks
Hogan, Rosemarie Mihelich, author
Appleton-Century Crofts, 1980
Buku Teks