Richards, Donna Beck
McGraw-Hill, 1993
Buku Teks
Knapp, Donna, author
Course Tecnology Cengage, 2014
Buku Teks
Brannon, Linda, author
Wadsworth, 2000
Buku Teks
PIotrowski, Karen A.
Mosby, 1997
Buku Teks
Lowdermilk, Deitra Leonard, author
Mosby, 2007
Buku Teks