edited by John A. Bevan
Harper & Row, 1976
Buku Teks SO
Levine, Ruth R.
Little, Brown & Co., 1973
Buku Teks SO
Hitner, Henry
McGraw-Hill, 1999
Buku Teks SO
Turner, Paul
Williams & Wilkins, 1973
Buku Teks SO
Hahn, Anne Burgess
Mosby, 1982
Buku Teks SO