Ruggiero, Vincent Ryan, author
Alfred Publishing Co., Inc., 1981
Buku Teks
McCrimmon, James W., author
Houghton Mifflin, 1984
Buku Teks
Lerner, Marcia, author
Random House, 2001
Buku Teks
Booth, Wayne C., author
Harper & Row, 1987
Buku Teks
Flower, Linda, author
Hancourt Brace Jovanovich, 1981
Buku Teks