Murray, Ruth Beckmann, author
Prentice-Hall, 1985
Buku Teks
edited by Susan E. Montague, Roger Watson, Rosamund A. Herbert
Elsevier , 2005
Buku Teks
Bradley, Jean C., author
Appleton-Century-Crofts, 1982
Buku Teks
edited by Martha Raile Alligood
Elsevier, 2014
Buku Teks
Friedman, Marilyn, author
Appleton-Century Crofts, 1986
Buku Teks