Newman, Barbara M., author
Cole Publishing, 1991
Buku Teks
Newman, Barbara M.
Cengage Learning, 2018
Buku Teks
Newman, Barbara M., author
Thomson and Wadsworth, 2006
Buku Teks
Newman, Barbara M., author
Wadsworth and Cengage Learning, 2012
Buku Teks
Berk, Laura E., author
Allyn and bocon , 2001
Buku Teks