Jolly, Clifford J.
McGraw-Hill, 1995
Buku Teks
Stein, Philip L.
McGraw-Hill, 1982
Buku Teks
Lewis, Barry
Wadsworth and Cengage Learning, 2013
Buku Teks
by Robert Jurmain, Harry Nelson, Lynn Kilgore, Wenda Trevathan
Wadsworth, 2001
Buku Teks
Nelson, Harry
West Publishing, 1988
Buku Teks