Kirst-Ashman, Karen Kay, author
Nelseon-Hall Publishers , 1999
Buku Teks
Miley, Karla Krogsrud, 1942-, author
Pearson, 2014
Buku Teks
Johnson, Louise C., 1923-, author
Allyn and Bacon, 1986
Buku Teks
Zastrow, Charles, author
Dorsey Press, 1985
Buku Teks
Burton, Jenni, author
McGraw-Hill, 2012
Buku Teks