edited by David A. Hamburg
Prentice-Hall, 1970
Buku Teks SO
Eaton, Merrill T.
Medical Examination, 1976
Buku Teks SO
edited by Herbert Morris
Stanford University Press, 1961
Buku Teks SO
UNESCO , 1977
Buku Teks
edited by Joel Feinberg, Hyman Gross
Wadsworth, 1977
Buku Teks SO