Carlson, Karen J.
Harvard University Press, 1996
Buku Teks
by Oscar Handlin ... [and others]
Belknap Press, 1963
Buku Teks
Chung, Chuihua Judy
Taschen, 2001
Buku Teks SO
Eaton, Merrill T.
Medical Examination, 1976
Buku Teks
Charles W. Eliot, edited
P. F. Collier & Son Corporation, 1959
Buku Referensi