Beland, Irene L.
Macmillan, 1981
Buku Teks
Newman, Barbara M.
Cengage Learning, 2018
Buku Teks
Newman, Barbara M.
Wadsworth and Cengage Learning, 2012
Buku Teks
Newman, Barbara M.
Thomson and Wadsworth, 2006
Buku Teks
Newman, Barbara M.
Cole Publishing, 1991
Buku Teks