Drewniany, Bonnie L., author
Wadsworth, Cengage Learning, 2014
Buku Teks
Jewler, A. Jerome
Wardswort Publishing Company, 1992
Buku Teks
Jewler, A. Jerome
Wodsworth, 1981
Buku Teks
Jewler, A. Jerome
Wodsworth, 1981
Buku Teks
Nelson, Roy Paul
WM C Brown Company Publishers, 1977
Buku Teks