Korner, S., author
Penguin Books, 1955
Buku Teks
Reinhold, Karl Leonhard, author
Cambridge, 2006
Buku Teks
Altman, Matthew C, author
John Wiley & Sons, 2014
Buku Teks
Morgan, Diane, author
Routledge , 2000
Buku Teks
edited by Susan Meld Shell, Richard Velkley
Cambridge University Press, 2012
Buku Teks