Johnson, Daniel Milo, author
Duke University Press, 1981
Buku Teks
edited by, Jerzy Krupinski and Alan Stoller
Pergamon Press, 1980
Buku Teks
Jerzy Krupinski, Alan Stoller
Pergamon Press, 1980
Buku Teks
Lopez, Alan D., author
WHO, 1984
Buku Teks
Hudson, Ray, author
Prentice-Hall, 2000
Buku Teks