Mints, Lloyd W., author
University of Chicago Press, 1956
Buku Teks
Health Administration Press, 1981
Buku Teks
Myers, Gustavus, author
Random House, 1943
Buku Teks
Myers, Margaret G., author
Columbia University Press , 1970
Buku Teks
Kemmerer, Donald L., author
Littlefield, Adams, 1956
Buku Teks