Ross, Bernard H., author
Thomson Wadsworth, 2006
Buku Teks
Green, Constance McLaughlin, 1897-1975
Harper & Row, Publishers, 1965
Buku Teks
Adrian, Charles R., author
McGraw-Hill, 1955
Buku Teks
Saltzstein, Alan L., author
Wadsworth/Thomson learning, 2003
Buku Teks
Adrian, Charles R., author
McGraw-Hill, 1977
Buku Teks