Sinclair, Ian R.
Kuma Books, 1994
Buku Teks
edited by Norman G. Einspruch
Academic Press, 1981
Buku Teks
Karch, Amy M., author
Lippincott Williams & Wilkins, 2001
Buku Teks
Sutcliffe, H., author
Longman, 1964
Buku Teks
Owen, George E., author
Harper and Row, 1966
Buku Teks